Question

Frequency of sound waves is 50 hz. How many times it vibrates in 1 minute?

Answer 1

Given frequency of sound waves is 50 hz.
then it oscillates 50 times in 1 second.
then in one minutes means in 60 second it will oscillates as ,
= 60 × 50
= 3000 times.

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 = 50 Hz

Total time = 1 min = 60 s

Number of oscillations/Vibrations = 50 × 60 = 6000

Hence, the source vibrates 3000 times in a minute, producing a frequency of 50 Hz.

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