Question:
A person have a whistle emitting continuously a sound of
Last updated: 6/11/2023
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A person have a whistle emitting continuously a sound of frequency 660 Hz While producing this sound he is running towards a vertical wall with a speed of 5 m s If the speed of sound in air is 335 m s then number of beats heard by him will be 20 Hz 10 Hz 8 Hz No beats will be heard