As demonstrated by the Doppler Effect, why does sound increase in pitch as a sound source approaches you?

A. Object vibrates slower when they move forward

B. The wave is farther apart because the object is moving toward you

C. Objects vibrate faster when they move forward

D. The waves are closer together because object is moving towards you

Question

Cesar Sanford

Physics

30 October, 13:22

As demonstrated by the Doppler Effect, why does sound increase in pitch as a sound source approaches you?

A. Object vibrates slower when they move forward

B. The wave is farther apart because the object is moving toward you

C. Objects vibrate faster when they move forward

D. The waves are closer together because object is moving towards you

+1

Answers (1)

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Kirsten Sweeney · Answer 1

I think so it ans wold be d. because if the source approaches the observer more and more wavefront will pass and it get squeezed. so wavelength decreases and frequency increases.