Question

The frequency of a sound is200hz. Find the number of times sound vibrates in 60seconds. And also calculate the time period

Answer 1

Answer:

Frequency = 200 Hz = 200 cycles/second

In 60 seconds the source of sound vibrates = frequency × time duration                                                                                 =  200 × 60

                            =      12, 000 cycles.

Answer 2

Explanation:

frequency = 200hz

therefore

no. of vibrations in 60 seconds = 200×60

=12000 vibrations

since time period= 1/f

T=1/200

T=0.05s

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