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The engine of a train sound a whistle at...

The engine of a train sound a whistle at frequency v, the frequency heard by a passenger is

A

`gtv`

B

`ltv`

C

`=(1)/(v)`

D

`=v`

Text Solution

Verified by Experts

The correct Answer is:
D
`vecV_(s)=vec(V)_(0)`
`therefore`Heard frequency is equal to actual frequency .
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