In the case of sound waves, wind is blowing from source to receiver with speed 
. Both source and receiver are stationary. If 
is the original wavelength with no wind and 
is speed of sound in air then wavelength as received by the receiver is given by:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
There is no relative motion between source and observer so frequency remain constant
n = 
when wind start blowing in the direction of wave motion then velocity of sound = V + u w
so apparent wave length λ λ 1 = 
= 
λ λ 0
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