Modified True/False
Indicate
whether the sentence or statement is true or false. If false, change the identified word or
phrase to make the sentence or statement true.
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1.
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Mechanical
waves need a medium through which to transport energy. _________________________
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2.
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If the
wavelength of a given wave decreases, you know that its frequency will stay the same.
_________________________
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3.
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Two waves
have the same frequency and wavelength, but the first wave has a greater amplitude. The energy of the
first wave is greater than that of the second. _________________________
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4.
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The unit for
frequency is the meter. _________________________
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5.
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The
amplitude of a wave is measured from the crest of one wave to the crest of the next.
_________________________
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6.
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When light
passes from water into air, the light bends away from the normal. _________________________
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7.
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The lowest
point on a transverse is the trough. _________________________
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8.
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The property
of light that allows you to see yourself in a mirror is reflection. _________________________
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9.
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The ability
of an object to vibrate by reflecting energy is called resonance. _________________________
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10.
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When two
sound waves are out of phase, the amplitude and loudness increase. _________________________
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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11.
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You can see
this paper, your desk, and the person in front of you because light is being ____. a. | refracted | c. | diffracted | b. | reflected | d. | absorbed | | | | |
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12.
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A tuning
fork starts to vibrate when a certain note is played on the piano. This is an example of
____. a. | resonance | c. | refraction | b. | diffraction | d. | reflection | | | | |
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13.
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When a wave
passes from a less dense medium to a more dense medium, the ____ may change. a. | frequency | c. | speed, frequency, and
wavelength | b. | speed | d. | wavelength | | | | |
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14.
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When you
squeeze together the coils of a spring and then release them, you are creating a ____
wave. a. | seismic | c. | water | b. | compressional | d. | transverse | | | | |
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15.
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If you are
lying on a raft, and you notice that the number of waves that go past the raft increases, you also
find that the distance between each crest ____. a. | spreads out | c. | remains the same | b. | decreases | d. | increases | | | | |
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16.
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A wave will
travel only as long as it has ____ to carry. a. | mass | c. | energy | b. | amplitude | d. | matter | | | | |
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17.
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For a given
wave, if the frequency doubles, the wavelength ____. a. | is
halved | c. | doubles | b. | quadruples | d. | stays the same | | | | |
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18.
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Wave A
carries more energy than wave B. Wave B has a smaller ____ than wave A. a. | speed | c. | frequency | b. | wavelength | d. | amplitude | | | | |
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19.
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Waves in
which the particles of the medium move only in the same direction as the motion of the wave are ____
waves. a. | seismic | c. | transverse | b. | compressional | d. | water | | | | |
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20.
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When the
crest of one wave passes through the trough of another wave, ____ takes place. a. | constructive
interference | c. | destructive
interference | b. | resonance | d. | diffraction | | | | |
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21.
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Seismic
waves are ____ waves. a. | compressional | c. | uniform | b. | transverse | d. | both a and b | | | | |
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22.
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When light
is reflected from a surface, as the angle of incidence increases, the angle of reflection
____. a. | decreases | c. | remains the
same | b. | increases | d. | cannot be
determined | | | | |
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23.
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The energy a
wave carries is measured by its ____. a. | amplitude | c. | frequency | b. | speed | d. | wavelength | | | | |
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24.
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You are
creating a wave on a spring. If you start shaking the spring more slowly, the wavelength of the
resulting wave will ____. a. | remain the same | c. | depend on the amplitude | b. | decrease | d. | increase | | | | |
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25.
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Water waves
are ____. a. | compressional
waves | c. | seismic
waves | b. | transverse waves | d. | both a and b | | | | |
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