What will be the beat frequency of the resulting signal in Hz if A stationary source emits sound of frequency f = 492 Hz. The sound is reflected by a large car approaching the source with a speed of 2 m/s. The reflected signal is received by the soruce and superposed with the original (Given that the speed of sound in air is 330 m/s and the car reflects the sound at the frequency it has received)?
Preeti Rai Physics 31 Aug, 2017 182 views

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