e4 physics
1.
Name:
Which sound wave shows the highest frequency?
A
2.
3.
4.
5.
B
11.
C
What is frequency measured in?
A
amplitude
C
amps
B
hertz
D
m/s
E
How is an echo made?
When a sound is molded
B
When sound reflects of an object
C
Using high frequency sound
A
Vibrates when hit by a sound wave
B
Protect the ear from loud noises
C
To reflect sound waves that are high pitched
time
12.
A
What is the function of the ear drum?
What energy transformations happen in both an ear and a microphone?
A
Both amplify sound
B
Change electrical energy into sound
C
Both convert sound into electricity
13.
Which animals can hear the highest frequency?
How are sound waves created ?
A
By vibrating adjacent particles
B
By waves creating ripples
14.
7.
8.
9.
solid
B
liquid
C
gas
D
B
cat and dog
C
bat and dolphin
D
human
Which animals can hear the lowest frequency?
the same
Why does sound travel fastest in this material?
A
In solids because the particles are close together so pass on
vibrations easier
B
In liquid because the vibrations flow easier from one to the next
C
In gas because the vibrations fly around with more energy
D
in soldis because there are more particles to vibrate
E
in liquid because there more particles than a liquid
F
in gas because there are the least amount of praticles
16.
Which part of the ear is labelled A?
A
ossicles
C
cochlea
B
pinna
D
ear
drum
15.
E
ear
canal
Which part of the ear is labelled B?
A
ear
canal
C
cochlea
B
pinna
D
ossicles
E
ear
drum
17.
Which part of the ear is labelled C?
A
ear
canal
C
cochlea
B
pinna
D
ossicles
E
ear
drum
18.
A
elephant and mole
B
cat and dog
C
bat and dolphin
D
human
What is the highest frequency that cats and dogs can
hear?
A
20 hertz
C
40 000 hertz
B
20 000 hertz
D
160 000 hertz
Which of the seven colours of the spectrum travels the fastest
A
red
B
yellow
C
green
D
blue and yellow
E
indigo
F
none all travel at the same speed
Why can light from the Sun reach Earth but not sound?
A
Light needs a medium particles and sound doesn't
B
Sound need particles and light doesn't'
C
The sound is lost in space because of stars
Which objects allows all light to pass through, all is transmitted
A
10.
elephant and mole
Which state does sound travel fastest in?
A
6.
A
opaque
B
Translucent
C
transparent
C
transparent
Which part of the ear is labelled D?
A
ear
canal
C
cochlea
B
pinna
D
ossicles
E
ear
drum
19.
Which object allows no light to be transmitted
A
20.
opaque
B
translucent
Which object allows some light to pass through, some is transmitted
A
opaque
B
translucent
C
transparent
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