A fixed source of sound emitting a certain frequency appears as f a when the observer is approaching the source with speed v and frequency f r when the observer recedes from the source with the same speed. The frequency of the source is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
frequency of sound for approaching observer f a = 
f
For receding observer f r = 
f
f r + f a = 2f
f = 
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