Kendriya Vidyalaya FRI, Dehradun
Summer Vacation Home-work – 2017-18
CLASS – I
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SUBJECT - MATHS
Draw a house, acar and a train by using different shapes.
Learn spellings of days of week and Months.
Learn and write counting from 1to 50.
Write number names from 1 to 20.
Learn tables from 2 to 5.
SUBJECT - ENGLISH
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
1)
Learn any three or four poems.
Learn ten names of animals, fruits and vegetables.
Learn names of your Body parts.
Learn ten spellings started with vowel letters.
sWrite a to z in capital and in small letters.
SUBJECT – HINDI
fgUnh o.kZekyk v ls K rd fyf[k;sA (fp=lfgr)
2) viuh ikB; iqLrd ls nks dfork;s fy[kks vksSj ;kn djsaA
fcuk ek=k okys nl “kCn fyf[k,A(nks rFkk rhu va{kj okys)
3) nl ist lqys[k fyf[k,A
EVS
Q 1. Write your favourite food, game,sweet, fruit,season,vegetable TV serial.
Q 2.Pasting work in Copy: 5 Animals, 5 Fruits & 5 Birds.
Q 3. Write Spellingand Learn Week’s name, House Names and Big
Highways
Name.
Q 4. Paste and write the name of Festivals.
CLASS – II ( B )
SUBJECT – ENGLISH
Q.1Reading Daily reading practice from the book an outside the book.
Q.2
Learn Poem from the Text Book and outside the book.
Q.3
Write Names and Sound of 10 Animals.
Q.4
Write five sentence before and five sentence after.
Q.5 Write Opposites word - 10.
Q.6. Write Gender
-10.
Q.7. Write Vowels Words -10.
Q.8. Write Action Words -10.
Q.9. Write Sentences 05 on – My Self, My Teacher, My Pet.
Q.10. Collect Feathers Minimum 12 Like Peacock, Crow, Hen, Pigeon & Parrot.
E.V.S
 Write your favorite food, game , sweet fruit season ,cold drink , vegetable ,T.V. serial.
 Pasting work in copy 5 animals 5 fruits 5 vegetables ,5 birds.
 Write spellings--- week name, month name .House name ,Big tree name
HINDI
प्रश्न .1
दस पेज सल
ु ेख
ललखो ।
प्रश्न 2. चंद्र बिन्द ु वाले दस शब्द ललखखए जैसे चााँद ।
प्रश्न 3. किन्ही पााँच खेलों िे नाम ललखखए और उनसे संिधं ित धचत्र धचपिाइए ।
प्रश्न 4. िाले म“ ”िहुत हुआ“ेेघा पानी दे िववता ललखो और याद िररये । ”
प्रश्न 5. किन्हीं दस जानवरों िे नाम व िोललयााँ ललखखए ।
प्रश्न 6. यहााँ पर आठ शब्द छिपे हैं ढं ढो और ललखो ---ि
म
ल ि ि
डी
प्रश्न 7. िोई पााँच पहे ललयााँ ललखो ।
MATHS
1.
2.
3.
4.
5.
6.
Draw 5-5 objects which are role and which are slides.
Draw a cone, cylinder, cube and sphere.
Skip counting (counting by two’s, counting’s by three’s.
Write number name: - 101-200.
Book works do page 10,11,12,16.
(i) Draw a design with different bends on chart paper.
(ii) Write table 2 to 10.
CLASS – III
ENGLISH
1. Learn poem Good Morning and Bird Talk.
2. Every Sunday Paste any headlines from English news paper in home work note book.
3. Learn and write five Thoughts of English and 5 of Hindi.
4. Handwriting practice in handwriting book.
5. Practice Reading of lesson “Magic Garden”, “Nina and the Baby sparrow”.
6. Go for a picnic with your family. And write how you enjoyed in 10 lines.
EVS
1. Visit a nearby zoo/nursery along with your parents, collect information about various
animals/plants and write a report.
2.Write a poem on peacock/cuckoo/parrot or any other bird.
3.On a chart paper make a family tree and paste photos of your family members.
4.Write slogans on:
i)Save girl child
ii)Swacch bharat
5.Make a list of food items obtained from plants and animals.
6.On a map of India locate the following states:
Uttrakhand
Gujrat
Jammu and Kashmir
Arunachal Pradesh
Kerala
7.Read about our country India. Write down some interesting facts about India.
१ग्रीष्म ऋतु पर कविता लिखिएI.
HINDI
२निम्ि शब्दों से कहािी का निमााण कररए तथा उस कहािी से सम्बंधित धित्र भी बिाएI.
जंगि ,पेड़ ,जाििर ,पौिेझोपड़ी ,घर ,महि ,मक
ु ु ट ,राजकुमारी ,राजा ,फूि ,
३सि
ु ेि पस्ु ततका में दस पेज सि
ु ेि लिखिएI.
४पाठ्यपत
ु तक में दी गई कविता याद कररएI.
५समािार पत्र से छांट कर विलभन्ि मात्रा िािे दस शब्द लििोI.
६ पाठ्यपत
ु तक.में दी गई कविताओं में आए तक
ु ात्मक शब्दों की सि
ू ी बिाएI
1)
2)
3)
4)
5)
6)
MATHS
Cut colored paper in different shapes e.g. square, triangle,
circle, and paste them in white sheet.
Ask your mother how much milk is used in your house every day. Find out the total
amount spent on milk in the month of June.
Draw the front view and side view of
I) Table
II) Stairs
III) Books
IV) Bus
V) Slippers.
Write and learn tables from 2 to 20
Write Numbers Name from 50 to 200
Project: How many runs do these players need to complete a century?
Runs scored
Runs needed to complete
a century
Player 1
93
Player 2
97
Player 3
89
Player 4
99
CLASS – IV
EVS
1. INTERVIEW:Talk to a person who has done his/ her schooling in some remote area and
ask the following questions:
a. Name of the school, at which place is it located?
b. How they used to go to school?
c. What difficulties they used to face while going to the school?
d. Name of any two friends of school time.
e. Draw a scene of children going to school in a hilly area.
2. SURVEY:Visit any 2 places, first which you find is very clean and second which looks
like full of garbage and is dirty. Find out the following
a. Name the two places and Paste 2 pictures of each.
b. People living at which place get ill more often.
c. Where do the people dispose the garbage at both the places?
d. Where would you like to live?
3. Mark all the states on the political map of India (you can take help of some elder or
atlas)
4. Visit any 1 historical monument during your summer vacation and write some
information about it, also write your experiences of the visit ( min. 100 words, paste
two pics of your visit)
5. Make a list of eatables which are especially eaten during summer season. Write the
recipe of any mango dish prepared at your home.
ENGLISH
Class Four Holiday Home Work Summer Vacation marks will be given holiday homework will
do proper manner in classmate copy.
1.Reading:- Reading practice from text book any lesson and outside the book newspaper and
story book magazine.
2. Learn poem from the book and outside the book minimum 2 for competition.
 Writing:- creative writing ,my best friend, Any festival , Picnic.
 What is your aim ? Write 1 sentences .
 Grammar – Opposite words 10 , Gender 10, Name words 10, Action words10 , Degree
10 ,Sentences but after 10 punctuation any paragraph.
 Sentences noun pronoun and adjective
 Spellings – Vowel words 5 words from each vowel and 2 word from each consonants.
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Project work, prepare different type of tree like your text book page 24,25,26,27 file
paper coloured them and cut them and keep them in your project folder .News --- paste
------------5
news any current topic minimum .
Hindi
पढनाअपनी पुस्तक और पुस्तक से बहार अख़ ----बार कहानी की पुस्तक कही से भी पढने वा अभ्यास करना |
| पढना आना कही से भी कु छ भी बहुत आवसयक है
कववता कर् से कर् पुस्तक की या पुस्तक के बहार की कही याद करने से भी प्रवतयोविता कायय कर्य के विए---| पाठो के प्रश्न उतर कर् से कर् पुस्तक के पाांच पाठो के २
विखना----रचनात्र्क अवभव्यवि र्े पेड पर –पेड हर्ारे वर्त्ररास्रीय त्योहार , स्वच्छता का र्हत्व,
ववधािय कर् से कर् प्रतेक पर , पुस्तकािय 50 सब्द सुन्दर िेख र्ें |
वविोर् सब्द 10, सर्नातयक सब्द 10,लिांि 10, सांज्ञा वाक्य के विए एक सब्द कर् 10 ववसेसन के , सवयनार् ,
से कर् 10, क्रिया सब्द 10(खा रहा है )सो रहा है,|
वतयनी ----स्वर सब्दो से प्रतेक से ५ सब्द हर व्यांजन वर्य से २ सब्द २,|
पररयोजना कायय -- फाइि पेपर पर पाांच लहांदी र्ें सुववचार सुांदर िेख र्ें विखो |
 पाांच कववता सवयां बनाकर या पुस्तक के बहार की सुन्दर िेख कर पररयोजना folder बनाकर उसर्े
रखो |
 पाांच अख़बार से खबरे काट कर फाइि पेपर पर वचपकाना |
पूरा कायय सुन्दर िेख र्ें स्कू ि खुिते ही पहिे क्रदन जर्ा करना है |
SUBJECT – Maths
1. Write the tables from 2 to 20 and learn them by heart.
2. Find out and write the distance (in Km) of the following cities from Dehradun :
(a)
Chandigarh
(b) Ponta Sahib
(c) Ambala
(d) Rishikesh(e) Mussoorie
Now answer the following questions:
(a) Which city is farthest from Dehradun?
(b) Which city is nearest to Dehradun?
(c) Which city/cities is/are towards north to Dehradun?
(d) Which city/cities is/are towards south to Dehradun?
3. Measure a brick and write its length, breadth and height.(Draw brick also.)
4. Write the name of things which are measured in (5 each):
S.No.
cm.
m.
5. Make a clock with movable hands.
6. Paste pictures of 4 brick patterns .
Km.
gm.
Kg.
ml.
Lt.
7. Make a list of things (with their price) which you/your parents will purchase during
vacations.(atleast 20)
8. Note down the expenditure of your family for 10 regular days (with name and cost).
CLASS V
EVS
1. Research work: Find out the names of 3 animals which have got extinct and 3
endangered animals. Paste their pictures in support.
2. Project: Collect information about any 5 national parks of India on following topics:
a. Location and total area
b. Name of animals reserved there.
c. History of the national park
Also locate these national parks on the political map of India.
3. Survey: (Activity cum project work)
Make a survey and find out:
a. The name of localities in Dehradun where use of polythene is completely
banned.
b. The name of localities in Dehradun where use of polythene is completely
banned.
c. Do you find any difference between the two places? What? Paste some pictures
in support of your answer.
d. Draw scenes of both the localities.
e. In which locality would you like to live? Why?
4. Mark all the states on the political map of India along with their capitals. (you can take
help of some elder or atlas)
5. Visit any 1 historical monument during your summer vacation and write some
information about it, also write your experiences of the visit ( min. 100 words, paste
two pics of your visit)
6. Make a list of eatables which are especially eaten during summer season. Write the
recipe of any mango dish prepared at your home.
HINDI
१ सि
ु ेि पस्ु ततका में दस पेज सि
ु ेि.लिखियेI
२फसिों का त्यौहार पाठ में ददए गए राज्यों को भारत के मािधित्र पर दशााएI.
उत्तरप्रदे श,तलमििाडु ,केरि ,मध्यप्रदे श ,उत्तरािंड ,
गुजरातअसम ,बबहार ,
३पाठ्यपत
ु तक में दी गई कविताओं कक याद कररएI.
गुरुिेिाखििोिेिािा ,
४ समािार पत्रों से समािार पढ़ कर.कोई भी दस मख्
ु य समािार काटकर तरेपबक
ु में धिपकाएI
५अिच्
ु छे द लिखिए ग्रीष्मािकाश के बारे में एक.
६इस विषय पर अपिे वििार लिखिएI,तिच्छता हमारे जीिि के लिए क्यों आिश्यक है .
७इस ददि तुम्हारी क्या ददिियाा
रहती है ?
?तुम्हें सबसे अच्छा त्योहार कौि सा िगता है और क्यों.
SUBJECT – MATHS
1. Make4 different shapes(e.g. fish, clown, cat, hut etc.) using basic geometrical shapes
(square,triangle etc.) by making use of craft/glaze paper.
2. Go for a morning walk daily every morning for atleast
2 Km.and note down the time taken each day.
Fill the details in the given format for any 5 days and answer the following questions:
Date
Starting Time
Finishing Time
Time Taken
(a)
(b)
(c)
(d)
(e)
Total how many Km did you walk ?
Total how many Km did you walk in 5 days?
On which day did you take the minimum time to cover the distance of 2 Km.?
On which day did you take the maximum time to cover the distance of 2 Km.?
How many people did you meet each day on your walk?
No. of men
–
No. of women No. of children -
3. Collect the following informations from the banks:
S.No.
1.
2.
3.
4.
5.
6.
4.
5.
6.
7.
Name of
the Bank
SBI
SBI
UBI
UBI
PNB
PNB
Branch Name
Home Loan
Car Loan
Home Loan
Car Loan
Home Loan
Car Loan
Write the tables from 2 to 25 and learn them by heart.
Write the smallest and largest numbers of 4 digits to 9 digits.
Write number name (both in English and Hindi) from 1 to 100.
Write a report on Fishes/Fisherman.
ENGLISH
1.
Type of loan
30 Pages handwriting
Rate of Interest
2.
Cut / Paste 30 English News- I Terms
3.
Write 50 words from Dictionary with meanings in English
4.
Write –
20 (ed) Words
20 (ing) Words
20 (ly) Words
20 (less) Words
20 (ness) Words
5.
Learn 05 Poems
6.
Write a paragraph on ‘ How did you spend your holidays?
7.
Write a paragraph on ‘ My Class Teacher ‘
8.
Write an application for sick leave to your Principal.
SECONDARY
SECTION
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CLASS – VI
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ENGLISH
1. Do five pages hand writing from your English book Honeysuckle
2. What is your ambition? Write a paragraph on it
3. Write 20 pairs of rhyming words
4. India is now working very hard to save tigers. Browse the internet and find out the people involve
in the Save Tiger project and make a booklet on:
5. Design a welcome card for the newcomers.
6. Comprehension Check:
 How was the tiny man dressed up?
 What was the reaction of the tiny man on hearing Patrick’s wish?
 Write all the rhyming words in the chapter “Who did Patrick’s Homework”.
 What was the best thing decided by the dog for himself?
 What was the wolf’s reaction on sniffing the bear?
 How was the dog’s time spend with the lion?
 Where did the bird live with her babies?
 Why did the king come to the forest?
 What was the response of the other bird on hearing king’s remark?
HINDI
1- ‘ मेरी
प्यारा विद्यािय ‘ अिच्
ु छे द िेिि
|
2 -‘ बाि राम कथा ‘ से आपको कौि – सा पात्र अच्छा िगा ? क्यों ?
3- ितािी सि
ु ार हे तु प्रनतददि पााँि कदठि शब्दों को याद करके लिििा |
4- परीक्षा हे तु पाठों के प्रश्िोत्तर लििकर याद करिा |
5-
िैनतक मल्
ू यों से सम्बंधित पााँि कहािी पठि एिं तमरण हे तु ||
MATHS
Q1. Write numbers from 1 to 100 and identify PRIME and COMPOSITE numbers in them.
Q2 Cut and paste different shapes you know on sheet.
Q3. Write ROMAN NUMBERS up to 30.
Q4.Make one model on Solid shapes: cube ,cuboid, cylinder etc
SANSKRIT
1)
2)
3)
4)
एकत: - बत्रंशत (1-30) संतकृत संख्या पदानि लिित। संख्याया: लिंगािुसारम ् संख्या प्रयोगम ्।
िटिकारे (ितामाि) िट
ृ िकारे (भविष्यत ्) ि रूपाखण लिित िाक्यनिमााणम ् ि कुरुत।
िट
ृ – िट् िकारे
िट् – िट
ृ िकारे पररितािम ् (िाटा )
COMPUTER
Q-1 Make a chart of keyboard and define its keys functions also
Social science
1.Prepare a project in around 10 pages of scrap book on the topic ‘ life, food, clothes, customs,
and religions of Ladakh and Kerala.’( paste some pictures also)
2. Make your own manuscript and write 1 or 2 verses (mantras ) on it.
3.Make a poster on A4 size sheet on the topic ‘Go Green’ and give it a beautiful slogan and
paste it in the scrap book.
4.Prepare a weather report for continuous 10 days and compare maximum and minimum
temperature and make a graph.
Science
PROJECT WORK
1 Collect ‘packets and wrappers’ of different food item and make the list of nutritional
information printed on their label.
Attempt the following questions in your science notebook.
2. MCQ;i) Night blindness is caused by the deficiency of
a. Vitamin C b. Vitamin K c. Vitamin D d. Vitamin A
ii). Weak bones and tooth decay is caused by the deficiency of
a. Carbohydrates b. Proteins c. Calcium d. Vitamin A
iii). Iodine solution is used to test
a. Protein b. Starch c. Fats d. Vitamin D
iv) . Which vitamin is destroyed during heating?
a. Vitamin C b. Vitamin A c. Vitamin K d. Vitamin D
3. Match the
Column B
followings: Column
A
a. Vitamin A
i. Beri-Beri
b. Vitamin C
ii. Rickets
c. Vitamin D
iii. Scurvy
d. Vitamin B1
iv. meat, egg, fish
e. Rich in proteins
v. Night blindness
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CLASS – VII
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MATHS
Q1. Collect Bar graph, Pictograph and Pie chart from your environment showing data.
Q2. Show different Fractions and multiplication of Fractions through diagrams.
Q4.Write an article on Maths for class magazine.
HINDI
1 – ‘मैं दहमािय हूाँ’ अिच्
ु छे द िेिि लिखिए |
2- िदी पर दो सधित्र कविताएाँ लिखिए |
3- संज्ञा एिं सिािाम की पररभाषा सधित्र -उदाहरण सदहत लिखिए |
4- श्रत
ु िेि हे तु कदठि शब्दों का ियि एिं िेिि |
5-‘ परीक्षा हे तु पाठों को लििकर याद करिा |
ENGLISH
1) Write a letter to your friend telling him/her that we learn a lot from our mistakes. You
can share when you did some mischief and the punishment you got.
2) Learn and revise all the lessons and poems for FA-III.
SCIENCE
1. Prepare a file showing different animals and plants having different mode of nutrition.
2. Visit a green housei. Observe how they raise plants.
ii. Find out how they regulate the amount of light, water and Carbon Dioxide.
3. Try growing a sweet potato just in water. Describe your experiment and observation.
SANSKRIT
1)
2)
3)
बत्रषु कािेषु रुपाखण लिित – िाक्य निमााणम ् ि कुरुत।
एकत: - पञ्िाशत (1-50) संतकृत संख्या पादानि लिित।
कािपररितािम ् िाटा
COMPUTER
Q-1. Make a chart of mouse .
Q-2. What is a mouse? Describe the following functions of a mouse as an input devices:
a)b)c)d)-
Clicking
Double Clicking
Dragging
Right-Clicking
SOCIAL SCIENCE
1. Prepare a collage of 10 or 12 news headings with pictures.
2. Prepare a table for weather forecast of 10 days from the newspaper.
3. Read any 2 news from the 1 st page of your newspaper and write summary of each in 30
words ( for 15 days).
4. Do Q/A of lesson 2 in CIVICS and learn for your term test for the lessons done so far.
5. Visit any monument, collect picture of it and write 60 words on it.
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CLASS – VIII
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HINDI
1 प्रनतददि दहंदी समािार पत्र पढ़कर शद्
ु ि सादहस्त्यक शब्दाििी का ियि ||
2- ितािी सि
ु ार हे तु श्रत
ु िेि अभ्यास |
3 – ग्रीष्मािकाश के दौराि भ्रमण पर ‘यात्रा-ित
ृ ांत लिखिए
|
4- भारत की िोज पत
ु तक से लसंिु ‘घाटी की सभ्यता’ पाठ को पढिा |
5 - परीक्षा हे तु पाठों को लििकर याद करिा |
ENGLISH
1) Write a letter to your friend telling him/her that we learn a lot from our mistakes. You
can share when you did some mischief and the punishment you got.
2) Learn and revise all the lessons and poems for FA-III.
SANSKRIT
1)
2)
3)
4)
एकतः – शतम ् संख्या शब्द:।
िकार पररितािम ् काि पररितािम ् ि – िाटा ।
पंि िकारे षु रूप िेििम ् िाक्य निमााणम ् ि।
ऐन्र जालिक: िमा: ित्िार: - द्िथ: गण
ु ाक़, द्िथ ि निरन्तर रमेण।
MATHS
Q1. Collect Bar graph, Pictograph and Pie chart from your environment showing data.
Q2. Write about Plane figures and write about Quadrilaterals – its types and properties.
Q3.Write in brief about number “zero”.
Q4.Make a model of 3D shape .
Q5. Write an article on Maths for class magazine
SOCIAL SCIENCE
1.
Draw diagram of any five resources Human Made.
2.
Paste Pictures of fundamental rights and duties.
3.
Collect samples of different types of minerals you use in your daily life.
4.
Draw a chart showing important features of Indian constitution.
5.
Draw in a map different states during 18th century Indian History reference to chapter
02 of history.
6.
Complete Ques/ Ans of chapter 1 & 2 of geography, history and Civics and learn by
heart.
COMPUTER
Q 1. Give the full forms of the following and also explain them in short:
a)b)c)d)e)-
JPEG
HTML
VIRUS
HTTP
GIF
Q 2.
Explain the functions of following short cut keys available in MS Word.
a)b)c)d)e)f)g)h)i)j)k)l)-
CTRL + B
CTRL + I
CTRL + U
CTRL + SHIFT + <
CTRL + SHIFT + >
CTRL + Q
CTRL + SPACEBAR
CTRL + C
CTRL + X
CTRL + V
CTRL + Z
CTRL + Y
SCIENCE
1. Collect different types of seeds and and put them in small bags. Attach these bags in a
herbarium file and label them.
2. Project work
Visit a farm, nursery or a garden nearby. Gather information about
i. importance of seed selection.
ii. method of irrigation.
iii. effect of extreme cold and extreme hot weather on the plants.
iv. effect of continous rain on the plants.
v. fertilisers/manure used.
3. Pull out a gram or bean plant from a field. Observe its roots. You will find round
structures called root nodules on the roots. Draw a diagram of the root and show the
root nodules.
4. Collect the labels from the bottles of jams and jellies. Write down the list of contents
printed on the labels.
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CLASS – IX
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HINDI
1-ककसी एक विज्ञापि की सधित्र जािकारी एिं अपिे वििार लिखिए |
2- आपके जीिि का कोई एक प्रेरक –व्यस्क्तत्त्ि |(धित्र एिं कारण )
3-
पढ़ाए गए प्रत्येक अिंकार के तीि-तीि उदाहरण लििकर याद करिा |
4- प्रनतददि समािार - पत्र को पढ़कर अपिे शब्दकोश में िद्
ृ धि करिा | |
5- परीक्षा हे तु पाठों को लििकर याद करिा |
MATHS
Q1.Write about Geometry: Euclid’s, Aryabhatta’s, Archemedes’s contribution in field of
Mathematics.
Q2.Write about Irrational number π .
Q3. Make three CROSSWORD PUZZLE based on different topics.
Q4.Represent √2, √3, √4 on number line using paper, pasting method.
ENGLISH
1.
Read the novel and write the character- sketch of George, Harris and the narrator. Also
write its book review.
2.
Pick out any one humorous incident from first five chapters and write in detail about it.
3.
Frame five questions from each chapter and write their answers. “How I taught my
Grandmother to read”; “A dog named Duke”; “The Brook”, other than those given in the text
book.
4.
Do unit 1 along with Integrative grammar Practice 1 in workbook.
5
Write a poem of about ten lines on an inanimate thing using different poetic devices
like personification , alliteration ,repetition etc. . use rhyming words also.
6.
Age is no bar if you are determined to learn anything.Express your views on it.Quote
example of the grandmother.
7 .Imagine you are Charles Hooper.Write a page of diary entry after your dog’s death.
SOCIAL SCIENCE
Make an activity file and do all the given Home Work in this file.
1. Map Work
Map 1:
On an outline physical map of India locate and label the following:
a. Tropic of Cancer
b. Standard Meridian of India
c. Southern most point of India
d. Southern most point of mainland of India
e. Northernmost point of India
f. Eastern most meridian of India
g. Western most meridian of India
Map 2:
On an outline physical map of India locate and label the following:
1. Mountain Peaks: K2, Kanchenjunga, Nandadevi, AnaiMudi and Nanga
Parbat
2.Passes: Bomdi-La and Shipki La
3.Hills: Garo, Khasi, Jaintia, Naga Hills, Mizo Hills and Nilgiri.
Map 3:
On an outline physical map of India locate and label the following:
1.Mountain Ranges: The Karakoram, Zaskar, Shivaliks , , Aravalli ,
Vindhyas,Satpura, Western Ghats and Eastern Ghats
Map 4:
On an outline physical map of India locate and label the following:
1.Plateaus: Deccan Plateau, Chotanagpur Plateau and Malwa Plateau.
2.Coastal Strips: Coromandel, Malabar, Konkan and Northern Circars.
Map 5:
On an outline river map of India locate and label the following:
1.Rivers: Indus, Ganga, Brahmaputra, Satluj, Narmada, Tapi, Mahanadi,
Krishna, Godavari and Kaveri.
2.Lakes: Chilika, Pulicat, Vembanad and Sambhar.
2. How can we make our country or area neat clean. Make write up and a collage from
the cuttings of newspaper on the topic.
SCIENCE
Attempts following questions: MCQ
1. If the humidity in the air increase then the rate of evaporation:(a) decrease (b) increase (c) remain same
(d) both (b) and (a) depending upon the temperature
2. Which of the following statement is correct?
(a) boiling is a bulk phenomenon and evaporation is a surface phenomenon
(b) boiling is a surface phenomenon and evaporation is a bulk phenomenon
(c) boiling and evaporation both are surface phenomenon
(d) boiling and surface both are bulk phenomenon
3. If the temperature of a place is increase then evaporation:(a) decrease (b) increase (c) remain same (d) none of the above
4. If a body starts from rest, what can be said about the acceleration of body?
(a) Positively accelerated (b) Negative accelerated
(c) Uniform accelerated (d) None of the above
5. When a body moves uniformly along the circle, then:(a) its velocity changes but speed remains the same
(b) its speed changes but velocity remains the same
(c) both speed and velocity changes
(d) both speed and velocity remains same
6. The energy currency of cell is -:
(a) ADP (b) AMP (c) ATP (d) GTP
7. A cell in placed in hypotonic solution will -:
(a)Swell up (b) Not undergo any change (c) Shrink (d) Show plasmolysis
8. Which organelle release oxygen?
(a) Ribosome (b) Golgi apparatus (c) Mitochondria (d) Chloroplast
9. Which of the following human cells lack nucleus?
(a) WBC (b) RBC (c) Muscle cell (d) Nerve cell
10. Which of the following have least inter atomic spacing?
11. Are the three state of matter inter-convertible? How can they interconnect?
12. How does evaporation cause cooling?
13. Why is osmoregulation is necessary in aquatic organisms?
14. How does cell to cell movement of water takes place in plants?
PROJECT WORK FOR National Children’s Science Congress (NCSC) take any one sub theme from
followingnt
COMPUTER
Q 1.
Q 2.
Q 3.
a)b)c)d)-
What is an Operating System?
What are the primary functions of an Operating System?
Describe the following types of Operating System:
Real-time Operating System
Single User/ Single Tasking Operating System
Single User/ Multi-Tasking Operating System
Multi User/ Multi-Tasking Operating System
Q 4.
a)b)c)d)e)f)g)h)-
Give the full forms of the following and also explain them in short:
JPEG
USB
VIRUS
ORACLE
RDBMS
XML
GPRS
KBPS
i)j)-
MICR
OMR
CLASS – X
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ENGLISH
1.
Read the novel ‘The Story of My Life’ and write the character sketches
of Helen Keller and Anne Mansfield Sullivan. Also write its book review
2.
How did Helen’s teacher Miss Sullivan start teaching her? Describe in details different
methods used by her to make Helen learn?
3.
Frame five questions from each chapter and write their answers. “Two Gentlemen of
Verona”; “Mrs. Packletide’s Tiger” and “The frog and the Nightingale” other than those given
in the text book.
4.
Do unit 1 and 2 and Integrated grammar Practice 1 in workbook.
5
The two boys Nicola and Jacopo are a source of inspiration for all of us.Express your
views on it
HINDI
1- सभ
ु ाष िन्र बोस का व्यस्क्तत्ि एिं कृनतत्ि |
2- दे हरादि
ू की दो प्रनतमाओं का उल्िेि |
3- कोई –दो औपिाररक पत्र –िेिि |
4- परीक्षा हे तु पाठों को लििकर याद करिा |
MATHS
Q1. Draw graphs on system of linear equations having following solutions:
(a)Unique solution
(b) Infinite solutions (c) no solution
Q2.Write short note about NUMBER SYSTEM – its formation, structure, contribution in
mathematics.
Q3. Make three five CROSSWORD PUZZLE based on different topics.
Q4. Make one model on combination of solids.
SOCIAL SCIENCE
Make an activity file and do all the given Home Work in this file.
1. Map work:
Do all the maps of the following chapters1. Resources (Major soil types)
2. Water Resources (Rivers & Lake, Multipurpose project)
3. Minerals and Energy Resources (Important Minerals, Nuclear Power Plant & thermal
Power Plant)
4. Manufacturing Industries (textile Mills, Iron & steel, I.T.Parks)
5. Lifelines of National Economy (Major seaports & Airports)
2. Project on Topic-‘Plastic a new enemy of our environment’
(Projects should include -pictures, graphs and data analysis.)
3. Make a Date Line of all the Historical Event took place in Europe from year 1789 (start of
French Revolution) till 1914(First World War).
Science
1. When iron is heated with sulphur, iron sulphide is formed. Name the reaction.
2. Aluminium metal displaces iron from ferric oxide (Fe2O3) giving aluminium oxide and iron.
Which is more reactive aluminium or iron
3. The taste and smell of food changes when kept for long time in open. What is I called?
4. Why do we apply paint on iron articles?
5. Oil and fat containing food items are flushed with nitrogen. Why?
6. When iron is heated with sulphur iron sulphide is formed. What is the reaction called?
7. What type of reaction is represented by the digestion of food in our body?
8. What is that reaction called in which one element takes the place of another element in a
compound?
9. What is differences between an artery and vein
10. Name three excretory organs of man.
11. Draw a labeled diagram of the human reparatory system
12. a) How oxygen and carbon dioxide exchanged in our body during respiration?
b) Explain, how the air we breathe in gets cleaned while passing through the nasal passage.
PROJECT WORK FOR National Children’s Science Congress (NCSC) take any one sub theme
from followingNatural Resource Management
Food and Agriculture
Energy
Health, Hygiene & Nutrition.
Lifestyles and Livelihoods
Disaster Management
Traditional Knowledge Systems
COMPUTER
Q 1. What are network linking devices? Explain the following network linking devices in
short.
a)b)c)d)-
Hub
Bridge
Switches
Router
Q 2. What is TCP/ IP and its role in the working of internet?
Q 3. Difference between Compiler & Interpreter.
Q 4. What is an algorithm? Give example also.
Q 5. What is a Flowchart? Give example also.
Q 6. What is difference between Intranet and Extranet?
Q 7. What is FTP and draw its basic model.
Q 8. What is Firewall?
Q 9. Define Client and Server.
Q 10. Draw a table in a web page with following format:
NAME
MOBILE
No.
SENIOR
SECONDARY
SECTIONS
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CLASS – XII
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BIOTECHNOLOGY
1. To prepare power point presentation on the topic protein structure and engineering.
2. To solve at least 20(10 short and 10 long) questions from last year CBSE paper from
chapter 1 and 2.
ACCOUNTANCY
1. Practice of numerical of chapters- 1) Fundamentals
2) Change in profit sharing ratio
2. Report on Partnership business and company business.
BUSINESS STUDIES
1. Survey of any Restaurant, School or other business group to find out whether Fayol’s
principles are applied or not.
2. Case studies practices of chapter 1 and 2.
Join the course of Start Up India and last but not the least read the book: The Monk Who
Sold His Ferrari by ROBBIN SHARMA
MATHS
CONCEPT BASED PROBLEMS OF ONE/TWO MARKS
1. Find the number of relations from set A having 3 elements to set B having 2 elements.
2. Let A be set of first 10 natural numbers and R  ( x, y) : x, y  A & x  2 y  10 find domain of
R.
3. A relation on the set of Z is defined as  a, b   R  a2 + b 2 = 25. Find range of R
4. Check the relation R of reflexive, symmetric or transitive defined as xRy  y is divisible by
x.
5. Counter the statement that every relation which is both symmetric and transitive is also
reflexive.
6. Let A = 2, 1,0, 2,1 , f : A  Z defined by f ( x)  x 2  2 x  3 . Find pre-image of -3.
7. Let f  R  R defined by f  x   3x Find whether f  x  y   f  x  . f  y  holds?
8. Let f  R  R defined by f  x   x2  1 Find f 1 (26).
9. Let f  1,1 , (2,3)(0, 1), (1, 3) be a function defined by the formula f  x   ax  b find a
and b.
10.If f  x   x , f  x    x , find fog (3.1) .
11.Show that f  R  R defined by f  x   x2  2 is not one-one.
12.Show that f  R  R defined by f  x   2cos x is not onto.
13.Let f  z  z defined by f  x   x  2 . Find g  z  z such that gof  I z
14.Let f ( x)  x 2 , g ( x)  2 x  1 Find ( f  g )(2)
15.Let f ( x)  x 2 , g ( x)  2 x  1 Find ( fog )(2)
16.Let f  R  R defined by f  x   x3  3 .Find f 1 .
17.Let S = {1, 2, 3} Find the number of binary operations of A.
18.Show that binary operation * on Z defined as a*b = a+ b + a b is commutative.
19.Let binary operation * on Q0 defined as a*b =
ab
. Find the identity element of * on Q0
4
20.Let binary operation * on A = N  N defined as (a, b)*(c, d) = (ad + bc, b d). Find the
identity element of * on A.
21.If f  x   log
1 x
, Show that f ( x) is an odd function.
1 x
22.Find the number of one to one, onto functions from set A having n elements to itself.
23.Find the number of onto functions from set A having 4 elements to itself
24.Find the number of into functions from set A= 1, 2,3 to itself.
25.Let A and B be two finite sets with n (A) = m and n (B) = n then find the number of
functions from A.
26.Let A and B be two finite sets with n (A) = m and n (B) = n with n  m then find the
number of one-one functions from A to B.
27.Let A and B be two finite sets with n (A) = 2 and n (B) = 3 then find the number of one-one
functions from A to B.
28.Let A and B be two finite sets with n (A) = m and n (B) = n with m > n then find the
number of bijective functions from A to B.
29.Let A and B be two finite sets with n (A) = m and n (B) = n with m = n then find the
number of bijective functions from A to B.
…………………………………………………………………………………………………………………………………………
1. Evaluate sec2 (tan 1 2)
2. Evaluate cos1  cos

13 

6 
3. Evaluate cos 1   
 2
1
4. Write domain of sin 1 2x
3
4
5. If tan 1 = x, find cos x  2sin x
6. Evaluate sin 1 2  cos 1 2
7. Simplify tan 1 
x 
2 
 1  6x 
 1  x2
 x

8. Simplify tan 1 




1
1
9. Simplify tan 1    tan 1  
2
 3
a b
bc
ca



1 
1 
10.Evaluate tan 1 
 + tan 
 + tan 

 1  ab 
 1  cb 
 1  ac 
11.Find x if cos  sin 1 x  
3
5
12.If x, y < 0 and x. y = 1 then tan 1 x + tan 1 y = ______
3 x 
3 x 
1
13.Evaluate sin 1 
 + cos 

1

x


1 x 

x

x

14.Simplify sin 1 

2 
 1 x 


2 
 1 x 
 1
16.Simplify cos ec 1 
2
 1 x
15.Simplify cot 1 



…………………………………………………………………………………………………………………………………………
…………………
1. Column matrix is of order ________.
2. Give an example of upper triangle matrix.
3. A matrix has 10 elements. Find the possible order of it.
1
2
3
4
5
6
4. If A  
 and B   4 5 6  find a21 + 3 b23
 3 2 1


5. Write a row matrix which is also a column matrix.
6. Write a diagonal matrix which is not scalar.
7. If matrix A is of order 2

m, matrix B is of order 3

p and AB is of order 2  2, find m &
p.
 2 1 
 11 0 
8. If A  
 and A  
 , find order of 3A – 2 B.
 5 4 
 6 4 
9. If A  diag[1  1 2] & B  diag[2 3  1] , find order of 3A – 4 B
1 2
 2 1
10.Find X if 2A + 3 X = 
 for A   1 1
3 4 


1 2
11.If A = 
 , find B if 2A + B is a zero matrix.
3 4 
12.Give an example of matrix A and B such that AB = 0 and A  0, B  0
0 0
16
13.If A = 
 find A
4
0


 cos x
sin x 
14.If A  
, Evaluate A / A

  sin x cos x 
5 x
15.If A = 
and AT = A, find x and y.

 y 0
16.Write identity matrix of order 3
 1 3
17.Find additive inverse of A + 2I for A = 

4 1
18.If X is of order 2  n and Y is of order 2  p and 7X – 5 Y is defined then n ___ p.
19.If a matrix A is both symmetric and skew-symmetric then A is _____ matrix.
20.If A and B are square matrices such that AB = A and BA = B then A 2 + B 2 is_____.
1 2 
21.If A = 
find A 3.

0 1 
22.If B is skew-symmetric find whether A B A/ is symmetric or skew-symmetric ?
23.Find the number of possible matrices of order 3  2 using 0, 1 or 2 .
24.If A is a square matrix of order 3 and A  2 , find 2A
25.If A is a square matrix of order 3 and A  2 , find adj A
26. If A is a square matrix of order 3 and A  4 , find A1
2 8 42
27.Evaluate 3 7 38
5 9 50
x y
yz
zx
z
x
y
1
1
1
28.Evaluate
ab
2a  b
3a  b
29.Evaluate 2 a  b 3 a  b 4 a  b
4a  b 5a  b 6a  b
30.Finds x if
x
2
18 x

6
2
18 6
................................................................................................................................................
....................
PROBLEMS OF FOUR/SIX MARKS
1. Let A = {1, 2, 3, 4, 6}. Let R be the relation on A defined by {(a, b): a, b  A, b is exactly
divisible by a}. Find R and write its domain and range.
 1 
 x 

2. Find the domain and range of R =  x,  : 0  x  6, x  N 

3. If A has 4 elements and B has two elements, find the number of relations from A to B.
4. On the set N of natural numbers, let R be the relation defined as aRb if and only if a, b  N
and a + 2b = 11. Write R as order pair and also write R –1.
5. Let A = {1, 2, 3, 4 }, find which of the given relations are reflexive, symmetric, transitive
R1 = {(1,2),(2,2),(3,3),(4,4),(1,3),(3,4)},R2 = {(2,4),(4,2)},R3 = {(4,3),(2,4)}
6. Given the relation R = {(1,2),(1,1),(2,3)} on the set A = {1,2,3} add the minimum number of
elements of A  A to R so that the enlarged relation is reflexive, symmetric and transitive.
7. Let R be the congruency on the set A of all triangles in a plane. Show that the relation is
an equivalence relation.
8. Show that the relation R on the set N  N defined by (a, b) R (c, d) iff a + d = b + c is an
equivalence relation.
9. If f(x) = x2, find . f 2  3 f 1.1
10.If f : R  R is defined by f(x) = x2 – 3x + 2, find f(f(x)). Also evaluate f(f(5)).
11.If f(x) = 2x +3 and g(x) = x2, Find f + g, f.g, 2f /g.
12.If f(x) = x +1, g(x) = 2x + 8 be real functions, find (f + g)(5).
13.Let f : R  R be defined by f(x) = 4. Is f one to one ? Give reasons.
14.Let f : R  R+ be defined by f(x) = x 2 + 4. Is f on to ? Give reasons.
15.Let f : R  R be a function defined by f (x) = cos (2x +3). Show that f is neither one to
one nor onto.
16.Let f : R  R be defined by f(x) =4 x3 – 7. Show that f is a bijective function.
17.Find the inverse of the function f : R  R be defined by f(x) = 1 – 9x.
18.Let f : R  R be defined by f(x) =3 x – 4, show that f is invertible and find its inverse.
19.Let f, g be real valued functions defined as f(x) = x2 + x + 7, x R and g(x) = 5x – 3, x  R.
Find fog and gof. Also find fog(5) and gof(-1).
20.Let * be a binary operation on Z defined as a * b = (a2 + b3) 2, a, b  Z, find 3 * 1.
21.Let * be a binary operation on R defined as a * b = a + b + a b, a, b  R, solve the equation
2*(3*x)= 7
22.Let A = {a, 2}. Find the number of binary operations on A.
23.Let * be a binary operation on N  N defined as (a, b)* (c, d) = (a d + b c, b d) for (a, b), (c,
d)  N  N. Discuss the commutatively and associatively of this binary operation.
…………………………………………………………………………………………………………………………………………
………
1. Find the principal values of cosec –1 (-1)

  


2. Evaluate cot 1  cot   
 4




3. Evaluate cos cos 1 
[Ans. 3/4]
3 
 
2  6 
1
3
5. Show that tan 1  tan 1 
1
5
1
4

4
6. Show that 2 tan 1  tan 1  tan 1
3
5
7. Show that sin 1  cos 1
[Ans. –1]
1 x
2
4. Show that cos-1 x = 2 sin 1
1
2
[Ans. - /2]
32
43
12
33
 cos 1
13
65
 ab
x
b  a cos x
tan   cos 1
2
a  b cos x
 ab
8. Show that 2 tan 1 
9. If cos 1 x + cos 1 y + cos 1 z = , show that x2 + y 2 + z2 + 2 xyz = 1.
10.Show that tan 1
11.Show that tan 1
x
a x
2
x
a
13.If cos 1  cos 1
 sin 1
1  x2  1  x2
1  x2  1  x2
12.Show that sin  sin 1

2
x
a


1
 cos 1 x 2
4 2
5
4  63
 sin 1  
13
5  65
x 2 2 xy
y2
y
cos   2  sin 2 
  , show that 2 
b
a
ab
b
14.Write in simplest form tan 1
15.Solve the equation tan 1
1  x2  1
x
1 x 1
 tan 1 x , x > 0.
1 x 2
[Ans.
[Ans.
1
tan-1x]
2
1
]
3
…………………………………………………………………………………………………………………………………………
……………..
Define symmetric and skew-symmetric matrices and give one example of each.
1. Construct 2 × 3 matrix with a ij= 2 i – 3 j
2  1
 4 3
 2  3
,B= 
and C = 


 , find A + 2B – C.
2
 2 1
1 2 
4 3
5 0
Find A if B = 
and 3 A – B = 


2 5
1 1
 x  y 3x  2 y  3  1
Find x, y and z if 
= 

5 x  z 2 y  1  2 3 
 cos x sin x 
 cos 2 x sin 2 x 
If A = 
, S. T. A2 = 


 sin x cos x 
 sin 2 x cos 2 x 
1 0 0  4 
Evaluate 1 1 1 0 1 0  4 
0 0 1  4 
2. If A = 
4
3.
4.
5.
6.
 5
, Show that A 2 – 5A – 14 I = 0 and hence find A -1.

2
 cos x sin x 
/
8. For P = 
 , Show that P.P = I.

sin
x
cos
x


3
7. For A = 
 4
9. If A and B are symmetric, show that AB – BA is skew symmetric.
1 2
10.Express A = 
 as sum of symmetric and skew symmetric matrices.
4 6
 1 3 5
11.Find all the minors and cofactors of the matrix  1 2 3
 1 3 5
 4 2
12. Find the inverse of the matrix A = 
and verfy that AA-1 = I.

9 5
1  2
, Show that A(Adj A) = A I.
5 

 1 
 n
n
14.Using PMI, Show that if A = 
then
A
=


0  
0
 3 1
15.If A = 
and f(x) = x 2 – 5x + 7, find f(A).

  1 2
13.For A = 
3
n n1 

n 
1 2 3 1 
16.Find x if 1 x 1 4 5 6  2  = 0
3 2 5  3 
 2 3
3 5
-1
17. If A-1 = 
and B = 

 , find (AB) .

1
2
1
2




2 3
18.Find x and y if A = 
and A2 – x A + y I = 0.

1 2
5
 7
 16  6
19.Find A such that 
 A 7
2 
 2 3 

20. Solve the following equations using matrix method
a. x + y – z = 4, x + y + 2z = 5, 2x - y + 3z =3
21.Usiing properties of determinants, show that
yz
x
y
1
22.(i) z  x z x = (x + y z)(x – z)
2
x y
y
1 p
1 p  q
(ii) 2 3  2 p 4  3 p  2q = 1
3 6  3 p 10  6 p  3q
z
23.With out expanding, using properties of determinants, show that values of following
determinants is zero
1 a a 2  bc
a 1 bc
a. (i) 1 b b  ca
(ii) b 1 c  a
1 c c  ab
c 1 ab
2
2
sin 
cos 
(iii) sin  cos 
sin 
cos 
cos (   )
cos    
cos    
24.Using determinants, find the area of the triangle with vertices at A (4, 4), B (3, -2)
and C (-3, 16).
5
 1 3

25. Find the square of  1  3  5
 1 3
5 
a a2 1 a3
26.Show that (1 + a.b.c) is a factor of b b 2 1  b 3
c
27.Solve for x
x2
2x  3
3x  4
x4
2x  9
3x  16  0
c2
1  c3
x  8 2 x  27 3x  64
CHEMISTRY
1.
2.
3.
4.
Do questions of chapter 1,2,3 ,4 asked in last 5 years board exams.
Select an investigating project for board exam & start working on it.
Do NCERT exercise & intext questions of chapter 1,2,3&4.
Do the given questions of chapters 1- 4 .
BIOLOGY
1. Search CBSE question paper (All India) of years 2015, 2016 and 2017 and attempt the
questions of the following chapters given in those CBSE question papers:Chapter 1- Reproduction in organisms.
2- Sexual reproduction in flowering plants.
3- Human Reproduction
4- Reproductive Health
5- Principles of Inheritence and Variation.
PHYSICS
Unit I – Electrostatics
&
Unit II – Current Electricity
SOLVE THE FOLLOWING:
1 Mark Questions
1. Why, the electric field lines do not form closed loops?
2. Why must electrostatic field be normal to the surface at every point of a charged conductor?
3. If the distance between two charges is doubled how does the force between them
change?
4. Define relative permittivity (dielectric constant) in terms of electrostatic force.
5. Name the physical quantity whose S.I. unit is JC-1. Is it a scalar or a vector quantity?
6. For what angle of inclination, the torque on a dipole in an electric field be
(a) maximum and (b) minimum?
7. Why two electric lines of force never intersect each other?
8. Explain why the work done in moving a charge on an equipotential surface is zero?
9. Is electric potential at a point zero when electric field is not zero at that point?
10. Two wires of equal length, one of copper and the other of manganin have the
same resistance. Which wire is thicker?
11. I-V graph for a metallic wire at two different temperatures T1 and T2 is as
shown in the figure. Which of the two temperature is lower and why?
12. Two identical cells, each of emf E, having negligible internal resistance, are connected in parallel with
each other across an external resistance R. What is the current through this resistance?
13. Why is potentiometer preferred over voltmeter?
14. Give one example of non-Ohmic circuits.
15. Define mobility of the charge carriers.
2 Mark Questions
1. Sketch the pattern of electric field lines due to (i) A conducting sphere having negative charge on it and
(ii) an electric dipole.
2. “For any charge configuration, equipotential surface through a point is normal to the electric field”.
Justify the statement.
3. What is the ratio of elect1ric field intensity at a point on the equatorial line to the field at a point
on axial line when the po:ints are at the same distance from the centre of the di ipole?
4. Justify why two equi-potential surfaces cannot intersect to each other?
5. Obtain an expression for the field due to electric dipole at any point on
the equatorial line.
6. Define electric flux. Write its S.I. units.
7. Discuss how resistivity of metals changes with increase in temperature.
8. Give two methods to improve sensitivity of the potentiometer.
9. Write the factors on which internal resistance of a cell depends.
10. Determine the resistance of the resistor shown in fig. using colour
coding.
11. Derive the relation between mobility and the relaxation time.
12. What do you mean by relaxation time of free electrons in metals?
13. Describe with the help of circuit diagram how a potentiometer can be used to compare the e.m.f. of two cells.
14. Define resistivity and state its SI unit. State and explain how the resistivity of a conductor varies with
temperature.
15. Bends in rubber pipe reduce the flow of water through it. How would the bends in a wire affect electrical
resistance?
3 Mark Questions
1. Deduce the expression for the torque acting on a dipole of dipole moment 𝑝⃗ in the presence of electric
field𝐸⃗⃗ .
2. An electric dipole is held in a uniform electric field (i) show that net force acting on it is zero. (ii) The
dipole is aligned parallel to the field. Find the work done in rotating it through the angle 1800.
3. State Gauss’ theorem in electrostatics and using this theorem, derive an expression for the electric field
of an infinitely long line of charge having a uniform charge density.
𝜎
4. Show that the electric field at the surface of a charged conductor is given by 𝐸⃗⃗ = 𝑛̂ , where σ is the
𝜖0
surface charge density and 𝑛̂ is a unit vector normal to the surface in the outward direction.
5. Two identical charges Q each, kept at a distance r from each other. A third charge q is placed on the
line joining the above two charges such that all the three charges are in equilibrium. What is the
magnitude, Sign and position of the charge q?
6. Use the Gauss’s law to derive the expression for electric field due to long straight wire of charge
density λC/m.
7. A parallel plate capacitor , each with plate area A, separation between the plate is d, is charged to a
potential difference V. the battery used to charge remains connected, and a dielectric slab of dielectric
constant K is now placed between the plates, what change if any will takes place in ?
(a)Charge on the plates?
(b) Electric field intensity between the plates
(c) Capacitance of capacitor.
Justify your answer in each case
8. State Gauss’ theorem in electrostatics. Apply this theorem to derive an expression for electric field intensity at a
point near an infinitely long straight uniformly charged wire.
9. A positive point charge +q is kept in the vicinity of an uncharged conducting plate. Sketch electric field lines
originating from the point on to the surface of the plate. Derive the expression for the electric field at the
surface of a charged conductor.
10. Explain the term ‘drift velocity’ of the electrons in a conductor. Obtain the expression for the current in
a conductor in term of drift velocity.
11. A cell of emf ‘E’ and internal resistance ‘r’ is connected across a variable resistor ‘R’. Plot a graph
showing the variation of terminal voltage ‘V’ of the cell versus the current ‘I’. Using the plot, show how
the emf and its internal resistance can be determined.
12. A resistance of ‘R’ Ω draws current from a potentiometer as shown in
the figure. The potentiometer has a total resistance R0 Ω. A voltage V
is supplied to the potentiometer. Derive an expression for the voltage
across R when the sliding contact is in the middle of the potentiometer.
13. Answer the following :
(a) Why are the connections between the resistors in a meter bridge made of thick copper strips?
(b) Which material is used for the meter bridge wire and why?
14. Describe briefly, with the help of circuit diagram, how a potentiometer is used to determine the internal
resistance of the cell.
15. State Kirchhoff’s rules and obtain the balance condition in a Wheatstone bridge by using these rules.
Value Based Questions 1. While travelling in her car, Dr. Madhu Sharma was caught in a thunderstorm. She stopped driving the
car and waited for thunderstorm to stop. There, she noticed a child walking alone on the road. She
called the child inside her car. When the thunderstorm stopped , she dropped the child at his
residence. His parents expressed their gratitude to Dr. Madhu Sharma.
(a) Why it is safer to sit inside a car during thunderstorm?
(b) Which two values are displayed by Dr. Madhu Sharma in her actions?
(c) Which values are reflected in parents’ response?
2. Rani’s mother noticed that while taking off her woolen clothes sparks were coming out. She shared her
experience with Rani and and wanted to know the reason. Rani explained it to her mother with lots of
interest .
(a) Explain the reason behind this observation.
(b) Which two values displayed by Rani’s mother?
3. Renu, Ritu and Kajal lived in a resettlement colony where they observed most houses stole power from
transmission lines using hooks. They had learnt in school about fire caused due to electric short circuit.
They decided to make people aware of the risks involved and also the importance of paying their
electricity bills. They got all their friends and responsible elders together and with the help of the
electricity board, succeeded in changing the situation.
• What values did Renu, Ritu and Kajal have?
• A low voltage supply from which one needs high currents must have a very low internal resistance, why?
4. Mrs. Thakur left her car headlights on while parking. The car would not start when she returned. Seeing
her struggle, Mohit went to her help. Not knowing much about cars, he ran and brought a mechanic Raju
from a garage nearby. Raju realized that the battery had got discharged as the headlight had been left on
for a long time. He brought another battery and connected its terminals to the terminals of the car battery
to get the engine started. Once the engine was running, he disconnected this second battery. This is
known as “JUMP STARTING”. Mrs. Thakur thanked both Mohit and Raju for helping her.
(i)What values did Mohit have?
(ii) A storage battery of emf 8.0 volts and internal resistance 0.5 ohm is being charged by a 120 volt DC
supply using a series resistor of 15.5 ohms. What is the terminal voltage of the battery during charging?
What is the purpose of having a series resistor in the charging circuit?
5 Marks Questions
1. (a) State Gauss’ law and using this law, derive an expression for the electric field intensity due to a
uniformly charged thin spherical shell at a point (i) inside the shell and (ii) outside the shell
(b) Plot a graph showing variation of electric field as a function of r >R and r<R (r being the distance
from the centre of the shell and R is radius of the spherical shell)
2. Find out the expression for electric field intensities on the axial and equatorial line of an
electric dipole, at the distance of r from the centre of dipole.
3. Derive the expression for energy stored in capacitor. also find out the expression for
energy density. On charging the parallel capacitor to a potential V , the spacing between
the plates is halved , the dielectric slab of K=10 is introduced between the plates,
without disconnecting DC source, how the following will change?
(a) Capacitance
(b) Electric field
(c ) Energy density of capacitor.
4. Show that energy stored in capacitors grouping, is the sum of individual energies
stored by the capacitors
5. Find out the expression for capacitance of parallel plate capacitor
(i)
With free space between the plates
(ii)
With partially filled dielectric slab
(iii) With completely filled dielectric
6. What is principle of Potentiometer? Draw circuit diagram and give necessary formula to compare the emf’s of
two cells. How do position of null point in potentiometer changes with (i) increase in length of potentiometer wire
(ii) increase in current in primary circuit.
7. Define relaxation time of the free electrons drifting in a conductor. How is it related to the drift velocity
of free electrons? Use this relation to deduce the expression for the electrical resistivity of the material.
Numericals:
1. A network of four capacitors each of four capacitors each of 12 pF capacitance is connected to a 500 V
supply as shown in the figure . Determine (a) equivalent capacitance of the network (b) charge on each
capacitor.
2. Calculate the potential difference and the energy stored in the capacitor C2in the figure. Given potential at A
is 90 V, C1 =20µF
C2 = 30 µF
C3 = 15µF
A -------------------I I--------II--------II------------- B ( ground)
C1
C2
C3
3. An dipole of length 2 cm is placed 300 w.r.t a uniform electric field of 105 N/C experiences a
torque of magnitude 10√3 Nm. Calculate (i) magnitude of charge and (ii) PE of electric dipole.
4. Calculate the value of the resistance R in the circuit shown in the figure
so that the current in the circuit is 0.2 A. What would be the potential
difference between points B and E?
5. Calculate the current drawn from the battery by the network of resistors shown in the figure.
6. Figure shows a 2.0 V potentiometer used for the determination of internal resistance of a 1.5 V cell.
The balance point of the cell in open circuit is 76.3 cm. When a resistor of 9.5 Ω is used in the
external circuit of the cell, the balance point shifts to 64.8 cm length of the potentiometer wire.
Determine the internal resistance of the cell
7. In an electric kettle, water boils in 20 minutes after the kettle is switched on. With the same supply voltage
if the water is to boil in 10 minutes, should the length of the heating element be decreased or increased?
8. Show a plot of current I through the cross-section of a wire over a time interval of
10 s. Find the amount of charge that flows through the wire during this time period.
9.
10. A potential difference V is applied across a conductor of length L and diameter D. How are the electric field E
and the resistance R of conductor affected when in turn (i) V is halved, (ii) L is halved and (iii) D is doubled?
Justify your answer in each case.
11. Two identical storage batteries, each having emf  and internal resistance r, are connected, as shown in Fig.
3. Determine the potential difference set up between the points A and B.
12. Two identical cells of emf 1.5 V each joined in parallel provide supply to an external circuit
consisting of two resistances of 17 Ω each joined in parallel. A very high resistance voltmeter reads
the terminal voltage of cells to be 1.4 V. Calculate the internal resistance of each cell.
13. At room temperature (27.0 °C) the resistance of a heating element is 100 Ω. What is the temperature of the
element if the resistance is found to be 117 Ω, given that the temperature coefficient of the material of the
resistor is
14. A cell of emf 1.5 V and internal resistance 0.5 Ω is connected to a (non-linear) conductor whose V-I graph is
shown in Fig. Obtain graphically the current drawn from the cell and its terminal voltage.
15. Determine the current in each branch of the network shown in fig
Computer Science
1. A class is defined without any data member. WCChat is the size of the class?
2. List the various access‐specifiers of a class. Explain each w.r.t. their visibility.
3. How is a member function different from an ordinary function?
4. Declare and define class Student having the following members:
Private members :
Student Roll No. ‐ integer
Student Name ‐ 20 characters
Student Age ‐ integer
Student Marks – Float array for eng, maths, science
Ctotal() ‐ Funciton to calculate eng+maths+science
Public members:
Takedata() ‐ To read all data members and invoke the function Ctotal()
Showdata() ‐ To display all data members
5. What are inline functions? Explain the concept of inline for member and non‐member
functions.
6. What is wrong with this – Class C {public: int x=0;};
7. Declare and define class Applicant having the following members:
Private members :
Admission No. ‐ long
Name ‐ 20 characters
Aggregate marks ‐ Float
Grade – Char
GradeMe() ‐ Funciton to find Grade as per Aggregate marks as follows:
Aggregate Marks Grade
>=80 A
Less than 80 and >=65 B
Less than 65 and >=50 C
Less than 50 D
Public members:
ENTER() ‐ To read all data members and invoke the function GradeMe()
RESULT() ‐ To display all data members
8. Rewrite the given code after correcting all the errors:
Class X{
int a;
static int c;
public:
void initial(void) { a = c = 0; }
static void call() {
cout<<c<<a; } }
Informatics Practices
1.
a) Mr. Ramesh is working in an Global Organisation. He wants to login in his office’s computer
from
his home. Suggest the protocol for the same.
b) Which device is used for connecting multiple networks over different protocols?
c) Identify the following topologies.
(1) A signal/data packets transmit from one end to other end in linear way.
(2) Each node is connected to two and only two neighboring nodes in circular form.
d) Write any two scripts included in Indian Languages on Unicode.
e) What is the difference between free software and freeware ?
f) Arun is not clear about the wireless and wired media of communication kindly describe it to
him
with suitable example.
g) Explain the term ODF and Ogg Vorbis.
2.
a) Mrs. Geetha is surfing over internet and he wants to know the IP Address of particular
website.Do
you know which process he has to do to obtain IP Address from website’s name?
b) Mr. Loknath wants to send/receive e-mail over TCP/IP networks(internet).Which protocol
he can
use for this purpose?
c) An Internet Service Provider has a network within a city area.Which type of network is it? 1
d) Which transmission technology can we use for connecting two countries over an ocean? 1
e) Differentiate between HUB and SWITCH devices. 2
f) Explain following terms.
(1) Apache Server (2) Linux
g) What is Font? Explain any two of them?
3
a) Mr. Ram is interested in transferring songs from his mobile to Mr. Shyam’s mobile. Suggest
two
suitable wireless options he may use for doing the same.
b) Neha wants to upload/download files from/to a remote internet server.Write the name of
the
relevant communication protocol, which will let her do the same.
c) It is technology on computer networks whose purpose is to prevent unwanted networking
connection according to some filtering/blocking rules. What is it?
d) Which of the following are open standards?
(1) .OGG (2) .DOC (3) .TTF (4) . JPEG
e) What is DOS(Denial of Service) ? Explain briefly.
f) Differentiate between Dedicated and Non-dedicated server.
g) List out any four advantages of Open Standards.
4.
a) Two doctors have connected their mobile phones to transfer a picture file of a person
suffering from a skin disease. What type of network is formed? Which communication media
out of
Coaxial cable, Optical fiber, Bluetooth, Satellite link should be used to transfer the file?
(b) State reason why Star topology requires more cable length than Bus topology.
(c) “Open Source Software developers work for the good of community”. Is this statement
true?
Give reason.
(d) What happens during ‘Domain Name Resolution’? 2
(e) How is ‘Denial of service’ attack, a threat to Network security?
5.
(a) Ms. Pooja is interested in transferring song. Suggest two suitable wireless options she
may use for doing the same.
(b) Surjit wants to upload/download files from/to a remote internet server. Write the name of
the relevant communication protocol, which will let him do the same
(c) It is technology on computer networks whose purpose is to prevent unwanted networking
connection according to some filtering/blocking rules. What is it?
(d) Which of the following are open standards?
1) .ogg (2) .doc (3) .ttf (4) . jpeg
(e) What is DoS (Denial of Service)? Explain briefly.
(f) Differentiate between Dedicated and Non-dedicated server.
(g) List out any four advantages of Open Standards.
ENGLISH
1. You wish to dispose off your car.Draft an advertisement in about 50 words for publication
in a local newspaper.
2. Draft a job application.
3. Draft/make/prepare five posters on social issues like save the girl child, Say no to drugs ,
Save water, Blood donation camp, Stop child labour, Save wildlife, Road accidents, Say no to
polythene.
4. Read entire novel and write the synopses in 200-250 words.
5. Brief life sketch of Kamla Das.
6. Paste any 2 articles(speaking tree in TOI)and make note on the same.
7. Paste any 2 commericial advertisement,Paste at least 2 classified related to the following
topics:1. Tolet 2. Situation vacant 3. Matrimonial 4. For sale 5. Education
ववषयहहंदी ग्रीष्मिालीन अविाश गह
ृ िायय
1.
भक्ततन िा चररत्र धचत्रण िीक्जए
2.
अपने पसंदीदा किल्म िी समीक्षा ललखखये |
3.
“ववमद्र
ु ीिरण” ववषय पर िीचर ललखखए |
4.
‘ऑन लाइन खरीदारी कितनी लाभदायि’ ववषय पर िीचर ललखखए|
5.
अलभव्यक्तत व माध्यम िे प्रश्नोत्तर याद िरो |
|
6.
‘लसल्वर वैडडंग’ िे आिार पर
यशोिर िाि िा चररत्र धचत्रण िीक्जये |
7.
‘पेड़ पौिे हमारे जीवन रक्षि -’ ववषय पर एि छनिंि ललखखए |
8.
िैशन ;पररवतयन िा दसरा नाम ववषय पर छनिन्ि ललखो |
9.
िात्रों में हदनोंहदन िढती नशे िी प्रववृ त्त िी सचना व इसिे समािान हे तु किसी समाचार
पत्र िे सम्पादि िो पत्र ललखखए ||
10.
अपने आस –पास यशोिर िाि जैसे स्वाभाव वाले किसी व्यक्तत िा चररत्र धचत्रण िीक्जए
ECONOMICS
1.
2.
Revision of chapter 1-‘Introductoin Of Economics’
Revision of chapter 2-‘Consumer’s Behavior’
3.
Numericals of Elasticity Of Demand(in separate notebook)
SOCIOLOGY
1. Make project report based on survey(changing pattern of family in India)
Cert certificate, acknowledgment, index, aim, questionnaire and conclusion.
2. Complete the CBSE question of ch - 3
3. Revise all class work for monthly test
4. Read and write about tribal community of Uttarakhand
5. What is the social causes of decline the tribal population on India between 2001 and 2011
population census
Put data like death rate , birth rate and age structure
HISTORY
1. Prepare a project on one of the themes given in NCERT book for your final CBSE Exam
2017 -2018.
2. Study the articles on Mahabharata written by some Indian scholars. Write their views in
your notebook.
3. Read some articles on the new discoveries at the Harappan sites and write about
following sites – Dhaulavira ,Rakhigarhi ,Lothal ,Mohonjodoaro ,Banawali.
4. Solve the questions given in the Exercice of chapter -4.
5. Learn all the work done upto 11/5/17 keeping the view of monthly test to be held in
the month of July.
GEOGRAPHY
1.
2.
3.
4.
Prepare a complete report of the swurveywith maps and diagrams.
Do map work as per the CBSE list. Use only political maps of world and India.
Do Q/A of lesson 3 Human development of India
CBSE based questions on the lessons done so far.