Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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The
time required for a wave to complete one complete cycle is its _______.
a. | frequency
| d. | period | b. | amplitude
| e. | wavelength | c. | velocity
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2.
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Hertz is a
______. a. | unit of
period.
| d. | special radio wave. | b. | unit of
frequency.
| e. | type of car. | c. | unit of wavelength. | | | | |
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3.
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A
wave created by shaking a rope up and down is called a ____.
a. | longitudinal
wave. | d. | transverse wave. | b. | Doppler wave. | e. | standing wave. | c. | constructive wave. | | | | |
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4.
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As
the sound of a car’s horn passes and recedes from you, the pitch of the horn seems to ____.
a. | stay the same. | c. | decrease. | b. | increase. | | | | |
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5.
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Compared to the speed of light, sound travels ____.
a. | at about the same
speed. | c. | faster. | b. | slower. | | | | |
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6.
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Sound waves cannot travel in _____.
a. | a vacuum. | d. | air. | b. | water. | e. | Sound can travel in all of the
above. | c. | steel. | | | | |
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7.
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The
singer Caruso is said to have made a crystal chandelier shatter with his voice. This is a
demonstration of ____.
a. | sound refraction. | d. | resonance. | b. | an echo. | e. | interference. | c. | beats. | | | | |
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8.
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A
340 Hz sound wave travels at 340 m/s in air,
with a
wavelength of ____.
a. | 100m. | d. | 10 m. | b. | 1 m. | e. | none of the above. | c. | 1000 m. | | | | |
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9.
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Electromagnetic waves are ___.
a. | longitudinal
waves. | b. | transverse waves. | | | | |
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10.
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Compared to the velocity of radio waves, the velocity of visible light waves is
____.
a. | the
same. | c. | slower. | b. | faster. | | | | |
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11.
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Compared to air, the speed of light in water is ___.
a. | the same. | c. | slower. | b. | faster. | | | | |
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12.
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If
two Polaroid 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. | half as much. | c. | twice as much. | b. | the same. | d. | zero. | | | | |
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13.
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The
color of an object we see is determined by the ____.
a. | colors of light shining on the
object. | d. | frequencies of light reflected by the
object. | <
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