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Question

The total number of compressions and rarefactions produced per second in a sound wave is 50. The frequency of the sound wave is ___.



A

50

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B

60

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C

100

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D

55

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Solution

The correct option is A

50


One compression and one rarefaction together form one cycle of the wave. The number of such cycles that are produced per second is called the Frequency of the sound wave. The frequency is measured in Hertz.

The total number of compressions and rarefactions produced per second in a sound wave is 50, hence, the frequency of the sound wave is 50.

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Physics

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