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The frequency of a source of sound is 100 Hz.How many times does it vibrate in a minute ?

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The frequency of 100 Hz means that the source of sound vibrates 100 times in 1 second. Also, 1 minute is equal to 60 seconds.

Now, No. of vibrations in 1 second = 100

So, No. of vibrations in 60 seconds = 100 × 60

(or 1 minute) = 6000

Thus, the source of sound vibrates 6000 times in a minute.
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