The frequency of a source of sound is 100 Hz.

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

Solution:

No. of vibrations produced in 1 s = 100

$\therefore$ No. of vibrations produced in 1 minute i.e.,

60 seconds = 100 × 60 = 6000.

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

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