Question

f a pendulum is has 10 oscillation in 1 sec, its time period is

Answer 1

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One oscillation: One complete to and fro motion of the oscillating body is called one oscillation. 

Frequency: It is the number of oscillations made by the body in one second.

Time Period: It is the time taken by a body to complete one oscillation.

Hence, the Frequency and Time period are calculated as follows.

Time period = Time taken by the pendulum/Number of oscillations made by the pendulum.

1020

=2s

Frequency =1/Period

21

=0.5Hz

Hence, the Time period and frequency are 2 seconds and 0.5 Hertz respectively.

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$\huge\mathfrak\red{Thanks}$

I hope it will help you.