AnswersLA-Physical Science B-CRTopic Test

Topic Test Answers

21 verified answers
21
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Resonance can be used to ____ sound.

A
change the pitch of
B
reduce
C
reverberate
D
amplify
22
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Human hearing range is between 20 and ____________ Hz.

A
25
B
200
C
2000
D
20,000
23

The greater the amplitude of a sound wave, the louder the sound.

A
T
B
F
24

In a compression wave, particles in the medium move

A
perpendicular to the direction of the wave
B
opposite of the direction of the wave
C
in the same direction as the wave
D
in depends upon state of the medium
25

What medium is often used to transfer computer information?

A
Air
B
Water
C
Glass
D
Optic fibers

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Topic Test Answers — LA-Physical Science B-CR