Modified True/False
Indicate
whether the statement is true or false. If false, change the identified word or phrase to make the
statement true.
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1.
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Sound waves do not carry energy.
_________________________
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2.
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Mechanical waves need a medium through which to transport energy.
_________________________
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3.
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Waves caused by an earthquake are called uniform waves.
_________________________
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4.
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The lowest point on a transverse is the trough.
_________________________
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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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The unit for frequency is the meter.
_________________________
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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7.
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Waves transfer
A. | energy and matter. | C. | only matter. | B. | only energy. | D. | neither energy nor
matter. |
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8.
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If a wave is traveling at a certain speed and its frequency is doubled, what
happens to the wavelength of that wave?
A. | The wavelength doubles. | C. | The wavelength is
stopped. | B. | The wavelength is halved. | D. | The wavelength remains the same. |
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9.
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A wave can make a leaf bob up and down on the water, but it cannot move the leaf
toward the shore. This is because waves transfer only
A. | matter. | C. | media. | B. | energy. | D. | crests. |
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10.
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Which of the following is NOT a property of a wave?
A. | refraction | C. | frequency | B. | amplitude | D. | wavelength |
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11.
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A section of a longitudinal wave where the particles are crowded together is
called a
A. | rarefaction. | C. | vibration. | B. | compression. | D. | surface wave. |
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12.
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When the crests of one wave overlap the crests of another wave or waves, which
of the following occurs?
A. | diffraction | C. | constructive interference | B. | destructive
interference | D. | resonant
frequencies |
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13.
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A standing wave results from
A. | diffraction. | C. | interference. | B. | refraction. | D. | a change in
medium. |
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14.
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An echo is the result of a
A. | reflected sound wave. | C. | refracted sound wave. | B. | diffracted sound
wave. | D. | dispersed sound
wave. |
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15.
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Part of a longitudinal wave where the particles are spread apart is called
a
A. | rarefaction. | C. | vibration. | B. | compression. | D. | surface wave. |
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16.
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A disturbance that sends energy through matter or empty space is called
what?
A. | wave | C. | medium | B. | trough | D. | crest |
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17.
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What is the amplitude of a wave related to?
A. | velocity | C. | mass | B. | speed | D. | height |
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18.
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What is wavelength a measure of?
A. | height of a wave | C. | temperature of a wave | B. | speed of a
wave | D. | distance between
points on two waves |
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19.
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The frequency of a wave is measured using which of the following units?
A. | decibel | C. | meters per second | B. | hertz | D. | wavelength |
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20.
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What happens to a wave when it is refracted?
A. | The wave is bent. | C. | The wave is reflected. | B. | The wave is
transmitted. | D. | The wave is
radiated. |
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Completion
Complete each
statement.
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21.
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The lowest point between each crest of a transverse wave is called a(n)
____________________.
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22.
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The point where the particles of a medium stay when there are no disturbances is
called the ____________________.
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23.
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The distance between two rarefactions that are next to each other is called a(n)
____________________.
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24.
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Multiplying the wavelength of a wave by the frequency of the wave gives the
____________________ of the wave.
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25.
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The bouncing back of a ray of light, sound, or heat when the ray hits a surface
that is does not go through is called ____________________.
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26.
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When two waves meet and cancel each other out, ____________________
____________________ has occurred.
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27.
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When one object absorbs energy from another vibrating object,
____________________ occurs.
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Short Answer
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Figure
10-1
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28.
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In Figure 10-1, identify the following structures:
______
wavelength
______ crest
______ amplitude
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Problem
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29.
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Speed can be determined by dividing the distance traveled by the time. The water
waves in a lake travel 4.4 m in 2.0 s. What is the speed of the waves?
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30.
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An ocean wave has a frequency of 2.0 Hz with a wavelength of 10 m. What is the
velocity of the wave?
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Essay
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Use the table below to answer the following questions.
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31.
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Based on the data in the table, what general conclusion can you draw about the
speed of sound in solids, liquids, and gases? Explain your answer.
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