Questions
An observer moves towards a stationary source of sound of frequency n. The apparent frequency heard by him is 2n. If the velocity of sound in air is 332 m/sec, then the velocity of the observer is
a
166 m/sec
b
664 m/sec
c
332 m/sec
d
1328 m/sec
detailed solution
Correct option is C
n'=n v+v0v⇒2n=n v+v0v⇒v+v0v=2v0=v=332 m/secTalk to our academic expert!
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