Question

The frequency of sound wave is 100hz. How many times does it vibrate in a minute

Answer 1

Number of vibrations produced in 1 second = 100 

Number of vibrations produced in 1 minute (60 s) = 100 x 60 = 6000.

Answer 2

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Frequency is defined as the number of oscillations per second. It is given by the relation:

Frequency = Number of Oscillations / Total Time

Number of oscillations = Frequency × Total time

Given, Frequency of sound = 100 Hz

Total time = 1 min = 60 s

Number of oscillations/Vibrations = 100 × 60 = 6000

Hence, the source vibrates 6000 times in a minute, producing a frequency of 100 Hz.

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