A source of sound S of frequency 500 Hz situated between a stationary observer O and wall W

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A source of sound S of frequency 500 Hz situated between a stationary observer O and wall W, moves towards the wall with a speed of 2m/s. If the velocity of sound is 332m/s. Then the number of beats per second heard by the observer is (approximately)
06
Nov
A source of sound S of frequency 500 Hz situated between a stationary observer O and wall W, moves towards the wall with a speed of 2m/s. If the velocity of sound is 332m/s. Then the number of beats per second heard by the observer is (approximately) A source of sound S of frequency 500 [...]
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Tags: A source of sound S of frequency 500 Hz situated between a stationary observer O and wall W , moves towards the wall with a speed of 2m/s. If the velocity of sound is 332m/s. Then the number of beats per second heard by the observer is (approximately) ,