Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The frequency of a sound wave determines
a. | the pitch of the sound. | c. | how fast the sound
travels. | b. | how loud the sound is. | d. | the magnitude of the compression. |
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2.
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A wave front is
a. | the first part of a wave. | b. | a surface made up of all the points on a wave
that have the same energy. | c. | a line connecting a crest and a
trough. | d. | the initial disturbance of the medium. |
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3.
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The differences in color in visible light, such as those in a rainbow, are
caused by differences in
a. | amplitude. | c. | medium. | b. | speed. | d. | frequency. |
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4.
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A wave x meters long has a speed of y meters per second. The
frequency of the wave is
a. | x/y. | c. | yx. | b. | y/x. | d. | y + x. |
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5.
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Sound waves
a. | require a medium. | c. | are not mechanical waves. | b. | are unrelated to
vibrations. | d. | can travel in a
vacuum. |
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6.
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Light waves
a. | require a medium. | c. | cannot travel through liquids. | b. | cannot travel
through solids. | d. | are
electromagnetic waves. |
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7.
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Light waves are
a. | transverse waves. | c. | rotating waves. | b. | longitudinal waves. | d. | circular waves. |
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8.
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The wavelength of
the wave in the diagram above is a. | 6.0 m. | c. | 3 m. | b. | 1.5 m. | d. | 0.75 m. |
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9.
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A man is standing on the shore of a beach, up to his knees in water. Every 5
seconds a wave breaks on him. What is the period of the wave?
a. | 12 waves per minute | c. | 5 second | b. | 5 hertz | d. | 0.2 hertz |
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10.
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A train of waves is moving at a speed of 30 m/s. The frequency of the waves is
10 Hz. What is the wavelength?
a. | 300 m | c. | 3 m | b. | 30 m | d. | 0.1 m |
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11.
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How loud a sound is depends on
a. | the wavelength of the sound. | c. | the amplitude of the
waves. | b. | the pitch of the sound. | d. | the medium. |
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12.
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A(n) _____ is a good mathematical model for representing transverse
waves.
a. | tangent curve | c. | exponential curve | b. | sine curve | d. | parabolic curve |
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13.
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The color of light is determined by the _____ of the light waves.
a. | medium | c. | frequency | b. | speed | d. | amplitude |
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14.
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A wave with a frequency of 0.5 Hz and a speed of 10 m/s has a wavelength
of
a. | 50 m. | c. | 20 m. | b. | 0.5 m. | d. | 0.2 m. |
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Matching
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Match each item with the correct statement below. a. | mechanical wave | d. | electromagnetic wave | b. | transverse wave | e. | crest | c. | longitudinal
wave | f. | surface
wave |
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15.
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a wave in which particle motion is perpendicular to wave motion
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16.
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a term that refers to the high point of a wave
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17.
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a disturbance at the boundary between two media
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18.
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a wave that requires a medium in which to travel
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19.
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a wave in which particle motion is parallel to wave motion
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20.
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a wave that consists of oscillating electromagnetic fields, radiating outward
at the speed of light
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Match each item with the correct statement below. a. | diffraction | f. | destructive interference | b. | refraction | g. | principle of superposition | c. | standing wave | h. | beats | d. | reflection | i. | interference | e. | constructive interference | j. | nodes |
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21.
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the combination of two or more waves that results in a single wave
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22.
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the change in direction of a wave when it encounters an obstacle or
edge
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23.
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interference that decreases amplitude
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24.
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a pattern of vibration that resembles a stationary wave
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25.
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points in a standing wave that have no vibration due to destructive
interference
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26.
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the bouncing back of a wave when it meets a surface or boundary
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27.
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interference that increases amplitude
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28.
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sounds produced by the interference of sound waves that are used to tune piano
strings
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29.
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the bending of waves as they pass from one medium to another at an
angle
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30.
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method of adding crests and troughs of interfering waves together to describe a
new wave
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