# SHM, Light & Color Practice Quiz

```Name: ______________________
Class: _________________
Date: _________
ID: A
SHM, Light &amp; Color Practice Quiz
Multiple Choice
1. Which of the following are fundamentally
different from the others?
a. Gamma rays
c. Sound waves
d. Light waves
e. X-rays
6. A weight suspended from a spring bobs up and
back down again over a distance of 3.00 meters in
10.00 seconds. Its frequency is
a. 0.10 hertz.
b. 3.0 hertz.
c. 10.0 hertz.
d. none of the above
2. The color of an object we see is determined by
the
a. colors of light reflected by the object.
b. frequencies of light absorbed by the object.
c. colors of light shining on the object.
d. frequencies of light reflected by the object.
e. all of the above
7. Radio waves travel at the speed of light, 300,000
200 megahertz is
a. 0.7 m.
b. 1.5 m.
c. 6.7 m.
d. 15 m.
3. Sunlight contains all colors of light, but much of
it is
a. orange.
b. blue.
c. violet.
d. yellow.
e. red.
8. When blue and yellow paints are mixed together,
the result is green. The reason for this is that
a. blue and yellow are complementary colors.
b. yellow pigments absorb green light and reflect
all the others.
c. blue reflects only blue light, and yellow
reflects almost all colors of light.
d. between blue and yellow pigments, all colors
are absorbed except green.
e. blue absorbs yellow light and yellow absorbs
blue light.
4. Different colors of light correspond to different
light
a. frequencies.
b. polarities.
c. intensities.
d. velocities.
e. none of the above
9. Magenta light is really a mixture of
a. red and yellow light.
b. red and cyan light.
c. yellow and green light.
d. red and blue light.
e. none of the above
5. If two polarizing filters are held with their
polarization axes at right angles to each other,
the amount of light transmitted compared to
when their axes are parallel is
a. zero.
b. half as much.
c. the same.
d. twice as much.
10. A sheet of red paper will look black when
illuminated with
a. cyan light.
b. yellow light.
c. red light.
d. magenta light.
e. none of the above
1
11. If sunlight were green instead of white, the most
comfortable color to wear on a hot day would be
a. yellow.
b. blue.
c. green.
d. magenta.
e. none of the above
17. The colored dots that make up the color on a TV
screen are
a. red, blue, and yellow.
b. red, blue, and green.
c. magenta, cyan, and yellow.
d. red, green, and yellow.
e. yellow, blue, and green.
12. The reason the sky is blue is that air molecules
a. are blue.
b. reflect blue light.
c. absorb yellow light.
d. absorb and then reemit blue light, scattering it
in all directions.
e. absorb green light.
18. Compared to the wavelength of ultraviolet
waves, the wavelength of infrared waves is
a. the same.
b. shorter.
c. longer.
19. The source of all electromagnetic waves is
a. magnetic fields.
b. heat.
c. electric fields.
d. vibrating charges.
e. none of the above
13. The true color of water is
a. clear.
b. greenish blue.
c. sky blue.
d. green.
e. white.
20. The main difference between a radio wave and a
sound wave is its
a. basic nature.
b. amplitude.
c. energy.
d. frequency.
e. wavelength.
14. The cyan color of ocean water is evidence that
the water absorbs
a. yellow.
b. green.
c. orange.
d. blue.
e. red.
21. If the sun were to disappear right now, we
wouldn't know about it for 8 minutes because it
takes 8 minutes
a. to operate receiving equipment in the dark.
b. for light to travel from the sun to Earth.
c. for the sun to disappear.
d. all of the above
e. none of the above
15. If you're looking for an instrument that tells
what stars are made of, look for a
a. stethoscope.
b. spectroscope.
c. telescope.
d. stellar microscope.
16. The three primary colors of light for additive
color mixing are_____.
a. red, green, and blue.
b. yellow, green, and blue.
c. red, yellow, and blue.
d. red, yellow, and green.
e. yellow, cyan, and red.
22. Heat lamps give off mostly
a. X-rays.
b. infrared waves.
c. ultraviolet waves.
d. microwaves.
23. Compared to its speed in air, the speed of light in
water is
a. slower.
b. the same.
c. faster.
2
24. Clouds
a. neither block nor transmit UV light.
b. block UV light.
c. transmit UV light.
27. What is the wavelength of an electromagnetic
wave that has a frequency of 1 Hz?
a. More than 1 m
b. Less than 1 m
c. 1 m
25. Electromagnetic waves with higher frequencies
have wavelengths that are
a. shorter.
b. longer.
28. An ideal polarizing filter will transmit 50% of
nonpolarized light incident on it. How much light
is transmitted by two ideal polarizing filters that
are oriented with their axes parallel to each
other?
a. 0%
b. Between 0% and 50%
c. 50%
d. Between 50% and 100%
e. 100%
26. Light does not pass through what kind of
materials?
a. transparent
b. opaque
c. neither a nor b
Problem
29. What is the length of a pendulum that has a
period of one second?
kHz. Knowing that radio waves have a speed of
3.00 &times; 108 m/s, what is the wavelength of these
waves?
31. Miss Stein has decided to take a break from
teaching physics and picks up a new career in the
circus. She swings from 4.5 m long trapeze, high
above the three ring circus. What is the period of
Miss Stein’s swing?
32. Joe has a mass of 60 kg, and when he steps on
the scale he compresses it a distance of 0.04 m.
What is the force constant in the spring?
33. A toy bobs up and down over Maria’s crib with a
period of 1.5 s. The toy hangs from the end of a
spring whose force constant is 25 N/m. What is
the mass of the toy?
3
ID: A
SHM, Light &amp; Color Practice Quiz
MULTIPLE CHOICE
1. ANS:
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15. ANS:
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16. ANS:
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17. ANS:
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18. ANS:
STA:
C
PTS: 1
DIF: L2
OBJ: 27.3 Electromagnetic Waves
Ph.4.e | CA.IE.1i
KEY: electromagnetic | sound | wave
comprehension
E
PTS: 1
DIF: L2
OBJ: 28.2 Color by Reflection
Ph.4.e
KEY: color | reflect | light
BLM: comprehension
D
PTS: 1
DIF: L1
OBJ: 28.4 Sunlight
Ph.4.e
KEY: sun | light
BLM: knowledge
A
PTS: 1
DIF: L1
OBJ: 28.1 The Color Spectrum
Ph.4.e | CA.IE.1k
KEY: color | frequency
knowledge
A
PTS: 1
DIF: L2
OBJ: 27.7 Polarization
Ph.4.b
KEY: polarize | transmit
BLM: comprehension
A
PTS: 1
DIF: L2
OBJ: 25.2 Wave Description
Ph.4.f
KEY: weight | spring | distance
BLM: application
B
PTS: 1
DIF: L2
OBJ: 25.4 Wave Speed
Ph.4.c | Ph.4.d
KEY: wave | radio | hertz
application
D
PTS: 1
DIF: L2
OBJ: 28.7 Mixing Colored Pigments
Ph.4.c | Ph.4.f
KEY: absorb | color | mix
comprehension
D
PTS: 1
DIF: L1
OBJ: 28.5 Mixing Colored Light
Ph.4.c
KEY: magenta | red | blue
BLM: knowledge
A
PTS: 1
DIF: L2
OBJ: 28.2 Color by Reflection
Ph.4.e
KEY: red | cyan | black
BLM: comprehension
C
PTS: 1
DIF: L3
OBJ: 28.2 Color by Reflection
Ph.4.e
KEY: subtract | color
BLM: synthesis
D
PTS: 1
DIF: L2
OBJ: 28.8 Why the Sky Is Blue
Ph.4.c | Ph.4.f
KEY: blue | sky | scatter
comprehension
B
PTS: 1
DIF: L1
OBJ: 28.1 The Color Spectrum
Ph.4.e | CA.IE.1k
KEY: water | color BLM: knowledge
E
PTS: 1
DIF: L2
OBJ: 28.1 The Color Spectrum
Ph.4.e | CA.IE.1k
KEY: ocean | cyan BLM: analysis
B
PTS: 1
DIF: L2
28.11 The Atomic Color Code—Atomic Spectra
STA: Ph.4.e | Ph.4.f
spectroscope | star
BLM: comprehension
A
PTS: 1
DIF: L1
OBJ: 28.5 Mixing Colored Light
Ph.4.c
KEY: primary colors
BLM: knowledge
B
PTS: 1
DIF: L1
OBJ: 28.5 Mixing Colored Light
Ph.4.c
KEY: TV | dots
BLM: knowledge
C
PTS: 1
DIF: L2
OBJ: 27.3 Electromagnetic Waves
Ph.4.e | CA.IE.1i
KEY: wavelength BLM: comprehension
1
ID: A
19. ANS:
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28. ANS:
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D
PTS:
Ph.4.e | Ph.4.f
knowledge
A
PTS:
Ph.4.e | CA.IE.1i
B
PTS:
Ph.4.e
KEY:
B
PTS:
Ph.4.e | CA.IE.1i
knowledge
A
PTS:
Ph.4.e | Ph.4.f
comprehension
C
PTS:
Ph.4.b | Ph.4.f
A
PTS:
Ph.4.e | CA.IE.1i
comprehension
B
PTS:
Ph.4.b | Ph.4.f
comprehension
A
PTS:
Ph.4.e | CA.IE.1i
application
C
PTS:
Ph.4.b
KEY:
1
DIF: L1
OBJ: 27.4 Light and Transparent Materials
KEY: source | vibration
1
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KEY:
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DIF:
KEY:
1
light | speed
1
L2
OBJ:
L2
OBJ:
comprehension
L1
OBJ:
heat | infrared
27.3 Electromagnetic Waves
comprehension
27.2 The Speed Of Light
27.3 Electromagnetic Waves
1
DIF: L2
OBJ: 27.4 Light and Transparent Materials
KEY: speed | light | water | air
1
DIF:
KEY:
DIF:
KEY:
1
L1
OBJ: 27.5 Opaque Materials
clouds | UV BLM: knowledge
L2
OBJ: 27.3 Electromagnetic Waves
frequency | wavelength
1
DIF: L2
OBJ: 27.5 Opaque Materials
KEY: light | opaque
1
DIF: L2
OBJ: 27.3 Electromagnetic Waves
KEY: wavelength | frequency
1
DIF: L2
polarize | parallel
OBJ: 27.7 Polarization
BLM: analysis
PROBLEM
29. ANS:
0.253 m
PTS: 1
30. ANS:
500 m
PTS: 1
DIF: L2
STA: Ph.4.c | Ph.4.d
31. ANS:
4.2 s
OBJ: 25.4 Wave Speed
KEY: radio | speed BLM: application
PTS: 1
32. ANS:
15,000 N/m
PTS: 1
2
ID: A
33. ANS:
1.14 kg
PTS: 1
3
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