1.

A source of sound S moving with constant speed approaches a junction A. If the original frequency produced by the source is 640 Hz then for the situation shown in the figure, the apparent frequency heard by the observer at rest at O will be[speed of sound =340 m/s]

Answer»

A source of sound S moving with constant speed approaches a junction A. If the original frequency produced by the source is 640 Hz then for the situation shown in the figure, the apparent frequency heard by the observer at rest at O will be

[speed of sound =340 m/s]




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