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Beat Frequency

A tuning fork...

Question

A tuning fork of frequency 380 Hz is moving towards a wall with a velocity of 4 m/s. Then the number of beats heard by a stationary listener between direct and reflected sounds will be (velocity of sound in air is 340 m/s)

A

\N

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B

5

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C

7

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D

10

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Solution

The correct option is A \N
The frequency of direct and reflected sound is same.

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Similar questions

Q. A tuning fork of frequency 380 Hz is moving towards a wall with a velocity of 4 m/s. Then the number of beats heard by a stationary listener between direct and reflected sounds will be (velocity of sound in air is 340 m/s)

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. The number of beats per second heard by a stationary listener produced due to direct and reflected sounds will be
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