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A car travels at a speed of 'a' towards ...

A car travels at a speed of 'a' towards a high wall. The driver sounds a horn of frequency 'n'. If V is the velocity of sound in air, frequency of reflected sound heard by the driver is

A

`n(V+a)/(V-a)`

B

`n(V-a)/(V+a)`

C

`n(V+a)/(V)`

D

`n(V-a)/(V)`

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH SERIES-WAVES-EXERCISE-II (Doppler Effect : )
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