Home Physics Wave and Sound Mix A stationary source emits sound of v = 1200 …
Physics Wave and Sound Mix MCQ (Single Correct)

A stationary source emits sound of v = 1200 Hz. If a wind blows at the speed of 0.1 c, deduce

A
the percentage change in the wavelength and
B
the change in the frequency for a stationary observer on the wind-side of the source. What happens when there is no wind, but the observer moves at speed 0.1 c towards the source? where c is the speed of sound.

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zero

zero, 10% increase, 10% increase

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