Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which of the following types of interference will occur when the pulses in the
figure above meet?
a. | no interference | c. | partial interference | b. | complete constructive
interference | d. | complete
destructive interference |
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2.
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Which of the following types of interference will occur when the pulses in the
figure above meet?
a. | no interference | c. | destructive interference | b. | constructive
interference | d. | total
interference |
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3.
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Consider two identical wave pulses on a rope having a fixed end. Suppose the
first pulse reaches the end of the rope, is reflected back, and then meets the second pulse. When the
two pulses overlap exactly, what will be the amplitude of the resultant pulse?
a. | zero | b. | same as the original pulses | c. | double the amplitude
of the original pulses | d. | half the amplitude of the original
pulses |
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4.
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Which of the following is not an example of approximate simple harmonic
motion?
a. | a ball bouncing on the floor | b. | a child swinging on a swing | c. | a piano wire that
has been struck | d. | a car’s radio antenna waving back and forth |
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5.
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A student sends a pulse traveling on a taut rope with one end attached to a
post. What will the student observe?
a. | The pulse will not be reflected if the rope is free to slide up and down on the
post. | b. | The pulse will be reflected and inverted if the rope is free to slide up and down on
the post. | c. | The pulse will be reflected and inverted if the rope is fixed to the
post. | d. | The pulse will not be inverted if the rope is fixed to the
post. |
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6.
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In a vacuum, electromagnetic radiation of short wavelengths
a. | travels as fast as radiation of long wavelengths. | b. | travels slower than
radiation of long wavelengths. | c. | travels faster than radiation of long
wavelengths. | d. | can travel both faster and slower than radiation of long
wavelengths. |
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7.
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For a system in simple harmonic motion, which of the following is the time
required to complete a cycle of motion?
a. | amplitude | c. | frequency | b. | period | d. | revolution |
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8.
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When a mechanical wave’s amplitude is reduced by half, the energy the wave
carries in a given time interval is
a. | doubled. | c. | decreased to one-half. | b. | increased by a
factor of 1.4. | d. | decreased to
one-fourth. |
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9.
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Sound waves
a. | are a part of the electromagnetic spectrum. | b. | do not require a
medium for transmission. | c. | are longitudinal waves. | d. | are transverse
waves. |
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10.
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If you know the wavelength of any form of electromagnetic radiation, you can
determine its frequency because
a. | all wavelengths travel at the same speed. | b. | the speed of light
varies for each form. | c. | wavelength and frequency are
equal. | d. | the speed of light increases as wavelength increases. |
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11.
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What is the wavelength of microwaves of 3.0 ´
10  Hz frequency? a. | 0.050 m | c. | 0.10 m | b. | 0.060 m | d. | 0.20 m |
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12.
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In the diagram above, use the superposition principle to find the resultant wave
of waves Q and R.
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13.
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The Doppler effect occurs with
a. | only sound waves. | c. | only water waves. | b. | only transverse waves. | d. | all waves. |
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14.
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When a mechanical wave’s amplitude is tripled, the energy the wave carries
in a given time interval is increased by a factor of
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15.
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Which portion of the electromagnetic spectrum is used in a television?
a. | infrared waves | c. | radio waves | b. | X rays | d. | gamma waves |
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16.
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The trough of the sine curve used to represent a sound wave corresponds
to
a. | a compression. | c. | the amplitude. | b. | the wavelength. | d. | a rarefaction. |
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17.
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In the diagram above, use the superposition principle to find the resultant wave
of waves X and Y.
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18.
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Which portion of the electromagnetic spectrum is used to identify fluorescent
minerals?
a. | ultraviolet light | c. | infrared waves | b. | X rays | d. | gamma rays |
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19.
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Which portion of the electromagnetic spectrum is used in a microscope?
a. | infrared waves | c. | visible light | b. | gamma rays | d. | ultraviolet
light |
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20.
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If you are on a train, how will the pitch of the train’s whistle sound to
you as the train moves?
a. | The pitch will become steadily higher. | b. | The pitch will become steadily
lower. | c. | The pitch will not change. | d. | The pitch will become higher, then become
lower. |
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