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when a source is going away from a stati...

when a source is going away from a stationary observer with the velocity equal to that of sound in air , then the frequency heard by observer is `n` times the original frequency . The value of `n` is

A

`0.5`

B

`0.25`

C

`1.0`

D

No sound is heard

Text Solution

Verified by Experts

The correct Answer is:
A

`f' =f((nu) / (nu + nu_(s))) = f ((nu) /(nu + nu)) = 0.5 f`
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