When a source of sound crosses an observer then change in apparent frequency observed by the observer is 2% of its initial frequency. If the speed of sound in 350 m/s then the velocity of source will be –
Text Solution
Verified by ExpertsThe correct answer is:
A
f 1 = 
f 0 , f 2 = 
.f 0
f 1 – f 0 = v f o 
f 1 – f 0 = v f 0 
= 
= 
⇒ vs = 
= 
= 3.5 m/s.
Sime speed of sound v >> vs.
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