Introduction To Physical Science

Chapter 17: Sound

Standardized Test Practice

1
If a vibrating object has a fundamental frequency of 262 Hz, what is the frequency of the third overtone?
A)786 Hz
B)1,310 Hz
C)2,096 Hz
D)1,048 Hz
2
How does the sound of a police siren change if a police car is moving away from you?
A)pitch decreases
B)amplitude decreases
C)amplitude increases
D)pitch increases
3
What part of the wave is labeled G?

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A)amplitude
B)compression
C)rarefaction
D)wavelength
4
What part of the wave is labeled K?

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A)amplitude
B)rarefaction
C)compression
D)wavelength
5
Which part of the human ear is at the start of the inner ear?
A)cochlea
B)oval window
C)ear canal
D)hammer
6
What range of frequencies can most humans hear?
A)20 Hz to 20,000 Hz
B)0 Hz to 170 Hz
C)0 Hz to 7,000 Hz
D)100 Hz to 10,000 Hz
7
Suppose you are sitting at an outdoor band concert. Using the data in the table, how long would it take you to hear the beat of a drummer 75 m away?

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A)0.22 s
B)0.26 s
C)0.34 s
D)0.46 s
8
Using the data in the table, how far can sound travel in steel in 0.011 s?

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A)65 m
B)19 m
C)54 m
D)73 m
9
A fish locator sends out a pulse of sound and measures the time for the sound to bounce off the fish and travel back to the boat. If the fish are 37 m below the boat, how long would the sound's round trip in water take?

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A)0.050 s
B)0.025 s
C)0.11 s
D)0.53 s
10
Which of the following, when played at the same time, would produce a beat?
A)two notes close in amplitude
B)two notes close in frequency
C)two notes with different amplitudes
D)two notes with different frequencies
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