You hear a sound in the distance. Suddenly the sound gets deeper, decreasing in pitch. Which can you assume about the sound waves reaching your ears?

A. The wavelengths of the new sound waves are longer.

B. The amplitude of the new sound waves has increased.

C. The sound waves have changed their speed so that they are now moving more quickly through the air.

Question

Erika Chung

Physics

3 May, 01:11

You hear a sound in the distance. Suddenly the sound gets deeper, decreasing in pitch. Which can you assume about the sound waves reaching your ears?

A. The wavelengths of the new sound waves are longer.

B. The amplitude of the new sound waves has increased.

C. The sound waves have changed their speed so that they are now moving more quickly through the air.

+4

Answers (1)

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Muffy · Answer 1

I say that its B. Amplitude is the objective measurement of the degree of change (positive or negative) in atmospheric pressure. Sounds with greater amplitude will produce greater changes in atmospheric pressure from high pressure to low pressure.