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An observer starts moving with uniform acceleration a toward a stationary sound source emitting a whistle of frequency n. As the observer approaches source, the apparent frequency, heard by the observer varies with time as
detailed solution
Correct option is B
For observer approaching a stationary source n'=v+v0vn and given v0=at⇒n'=anv t+nthis is the equation of straight line with positive intercept n and positive slope nv.Talk to our academic expert!
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An observer is moving towards the stationary source of sound, then
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