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###### Question 8 An observer is standing at a position 10 m from wall Between the observer and the wall, tuning fork emitting sound waves of frequency 500 Hz is moving ata speed Vs 2.0 m/s toward the wall How many beats per second the observer hears due to the interference between the direct and reflected sound? The speed of sound is 340 m/s.

Question 8 An observer is standing at a position 10 m from wall Between the observer and the wall, tuning fork emitting sound waves of frequency 500 Hz is moving ata speed Vs 2.0 m/s toward the wall How many beats per second the observer hears due to the interference between the direct and reflected sound? The speed of sound is 340 m/s.

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