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Compression and Rarefaction

Find the freq...

Question

Find the frequency of the tuning fork which produces 200 compression and 200 rarefaction in 1 second.

A

100 Hz

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B

200 Hz

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C

300 Hz

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D

400 Hz

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Solution

The correct option is B 200 Hz
The number of cycles produced per second is called frequency. Since one cycle consists of one compression and one rarefaction, so we can say that in the case of tuning fork 200 cycles are produced in one second. Therefore, its frequency is 200 Hz

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