NAME
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DATE
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Chapter 5 Sec. 1: Wavelength,
Answer each of the questions
Frequency, and Energy Problems
below. YOU MUST SHOW YOUR WORK TO GET THE POINTS! Don't
forget your units. You may find the electromagnetic
Electromagnetic
radiation
1O'
I
-
.
Long
I
10-6
1O~
,.
10~
100
I
Wavelength (Metres)
10"
spectrum
Radiation Spectrum
10-2
1 Os
PERIOD
10-S
below helpful.
Good luck!
Quantum (Photon) Energy (eV)
10~
106
10*
10'0
10'2
I
I
10.10
I
10-12
10-1•
10-'el 10.18
I
I»
I
'"
'"
Medium:l=
Wave'
wave
~
X Rays
. i
Gamma
Rays
RadioWaves
Cosrrnc
,
100
102
1O~
Frequency (Hz)
1020
10~2
1024
35 xl0-'r..·,
~ ••••••••••••
of electromagnetic
type of electromagnetic
"2.00xIOglnjs
\
-s
- ("?:S?,X/O-
~·3s
3~33)(/o-1r In
/\:: 3.33 X /0 In
3.
of 3.33 x 10-8 m? What
radiation is this?
C-::Av2.
radiation with a wavelength
What is the wavelength
of electromagnetic
kind of electromagnetic
radiation is this?
1026
__.::>
~~~m!m.~--~.~-D.~~~~~====3L~~~~lo~'n~js~in~g~R~a~d~l~at~i0~.n~·
1. What is the frequency
Rays
m)Y-
y~
1()-8J...
,-,
~
q
,()IX/O
I~
it
iro.: \okA--,
'{La.~~(r\ibh
radiation with a frequency of 5.00 x 1012 Hz? What
What is the energy of a photon of red light that has a frequency of 4.48 x 1014 Hz?
ErhO~on:7
hy
h~0.026
V-;9,¥tXIDI~ ~
X
}U-'34
0-$
ErhO-to -;(~,t,~6 x/lM -r.S)( li, 4rt)( IoN fI~)
l1
t:pho+oh
~
2. ql ;XJD-JlCr
4. A photon has an energy of 2.93 x 10-25 J. What is its frequency? What type of electromagnetic
radiation is the photon?
2:-
5.
E
ph{)-I-o
A photon has an energy of 1.10 x 10-13 J. What is the photon's
electromagnetic
h
~ /,
radiation
V~ }, ~b X
is it?
Y
Go; ~
J;; (6, {,26 x.. /0-1 U,$ ('
/,10",/D-/3
wavelength?
What type of
S,OOXIO'$
mJs ~ A
1D1.0 ~
C
(6,~ 26x /D-3I/J-5) (Co, ~?(, /0-14([0
6.
What is the energy of an ultraviolet
7.
How long does it take a radio signal from the Voyager spacecraft
between
G-::
2,72)(/0?
ItJ/S
tin ..
L
fR
11
CI,
0
-»':6--)
_ \
X
X--rojS
Gan"
/ow Jf~
or
Yhu
yo.y
to reach Earth if the distance
km?
COl'\vero)'on-Pocl-or
r"
/OO{)
J
8.
109
20
of 1.18 x 10-8 m?
photon that has a wavelength
Voyager and Earth is 2.72 x
],VOX/o'it'
L
/,b",x /D J,?:)
A-:: J, g) X »":tn
y
/,ftb 'f...h
~
l_s __
•• __
"5.00
M
broadcasts
~
X 10 <i(
at a frequency
10hb,0/
s or Q(J70s
JY1
If your favorite
FM radio station
of 104.5 MHz, what is the wavelength
of the station's
signal in meters? What is the energy of a photon of the station's
electromagnetic
signal?
9.
The argon fluoride
radiation
(ArF) laser used in some refractive
of 193.3 nm wavelength.
energy of a single quantum
What is the frequency
~-rlA(Jn~n,
1,tJ()X/Dr;tn/~
;;011,sx
/~)
v-il>-)jv
(N ,5X/O-'i;n)
V'/ J, e:x. /o/s- Hz
10. One line in hydrogen's
frequency?
of the ArF laser's radiation?
What is the
of the radiation?
C=AV
(N3,:5
eye surgeries emits electromagnetic
emission
t
V
Jtf)
fMorrht", .,;{6,'Z6xIO_
r
'bspectrum
= nJ
Uun-iuJ')-) ~
has a wavelength
J.<;
[J.S-~X /o
i.o: X /0 J5 :rof 486 nm. What is this line's
I~&J