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A car is moving towards a high cliff. Th...

A car is moving towards a high cliff. The car driver sounds a horn of frequency `f`. The reflected sound heard by the driver has a frequency `2 f`. if v be the velocity of sound, then the velocity of the car, in the same velocity units, will be

A

`v/sqrt2`

B

`v/3`

C

`v/4`

D

`v/2`

Text Solution

Verified by Experts

The correct Answer is:
d
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