Questions
At what speed should a source of sound move so that stationary observer finds the apparent frequency equal to half of the original frequency
a
v2
b
2v
c
v4
d
v
detailed solution
Correct option is D
Frequency is decreasing (becomes half), it means source is going away from the observes. In this case frequency observed by the observer is n'=nvv+vs⇒n2=n vv+vS⇒vS=vTalk to our academic expert!
Similar Questions
An observer is moving towards the stationary source of sound, then
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