A source of sound emitting waves of wavelength 60 cm recedes from a stationary listener at 1/5 th the speed of sound. To the listener , the apparent wavelength is - VgyanHub

Question:

A source of sound emitting waves of wavelength 60 cm recedes from a stationary listener at 1/5 th the speed of sound. To the listener , the apparent wavelength is

Options :

(a) 78 cm
(b) 72 cm
(c) 48 cm
(d) 36 cm

Answer :

(b) 72 cm

Answer Steps :

step 1

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