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A siren emitting sound of frequency 800 Hz is going away from a static listener

A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of 30 m/s. The frequency of sound heard by listener is (velocity of sound = 300 m/s)

Options

(a) 727.3 Hz
(b) 481.2 Hz
(c) 644.8 Hz
(d) 286.5 Hz

Correct Answer:

727.3 Hz

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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