Exam 7 Preap Numbers 16-20
5 Questions
| Total Attempts: 144
.
Questions and Answers
- 1.16. A sound wave is an example of a(n) ______________ wave.
- A.
Transverse
- B.
Longitudinal
- C.
Crest-and-trough
- D.
Electromagnetic
- 2.17. A sound wave consists of a series of
- A.
Compressions and rarefactions.
- B.
Longitudes and latitudes.
- C.
Hills and valleys.
- D.
Perpendicular vibrations
- 3.18. The human perception of pitch depends on a sound’s
- A.
Velocity.
- B.
Wavelength.
- C.
Frequency.
- D.
Amplitude
- 4.19. When you hear the sound from a vehicle that is moving toward you, the pitch is higher than it would be if the vehicle were stationary. The pitch sounds higher because the
- A.
Sound waves arrive more frequently.
- B.
Sound from the approaching vehicle travels faster.
- C.
Wavelength of the sound waves becomes greater.
- D.
Amplitude of the sound waves increases.
- 5.20. The highness or lowness of a sound is perceived as
- A.
Compression.
- B.
Ultrasound.
- C.
Wavelength.
- D.
Pitch.
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