Chapter 20: Sound
- 1.The source of every sound is something that is
- A.
Vibrating.
- B.
Moving.
- C.
Accelerating.
- D.
Undergoing simple harmonic motion.
- E.
A net emitter of energy.
- 2.A sound source of high frequency emits a high
- A.
Speed.
- B.
Amplitude.
- C.
Pitch.
- D.
All of these
- E.
None of these
- 3.Double the frequency of a sound and you halve its
- A.
Wavelength.
- B.
Speed.
- C.
Amplitude.
- D.
All of these
- E.
None of these
- 4.Double the frequency of sound and you also double its
- A.
Wavelength.
- B.
Speed.
- C.
Amplitude.
- D.
All of these
- E.
None of these
- 5.The approximate range of human hearing is
- A.
10 hertz to 10,000 hertz.
- B.
20 hertz to 20,000 hertz.
- C.
40 hertz to 40,000 hertz.
- D.
Actually all of these – depends on the hearing ability of the person.
- 6.We are best at hearing
- A.
Infrasonic sound.
- B.
Ultrasonic sound.
- C.
Both infrasonic and ultrasonic sounds.
- D.
None of the above choices are true.
- 7.A sound wave is a
- A.
Longitudinal wave.
- B.
Transverse wave.
- C.
Standing wave.
- D.
Shock wave.
- E.
None of the above choices are correct.
- 8.Compressions and rarefactions are characteristic of
- A.
Longitudinal waves.
- B.
Transverse waves.
- C.
Both longitudinal and transverse waves.
- D.
None of the above.
- 9.Compressions and rarefactions normally travel in
- A.
The same direction in a wave.
- B.
Opposite directions in a wave.
- C.
Directions that are at right angles to the wave direction.
- 10.Sound travels faster in
- A.
Air.
- B.
Water.
- C.
Steel.
- D.
A vacuum.
- E.
Sound travels at about the same speed in all of the above media.
Questions: 10 | Attempts: 17092 | Last updated: Mar 12, 2021
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Sample QuestionThe lower the frequency, the _____________ the sound.
Questions: 8 | Attempts: 15845 | Last updated: Feb 11, 2021
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Sample QuestionSound travels best through ___________________.
Questions: 5 | Attempts: 12775 | Last updated: Dec 2, 2020
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Sample QuestionWhen light bounces off a smooth, shiny surface, what process has occurred?
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