A pendulum oscilliates 18 time in 4 seconds find its time period. And frequency

Given that a pendulum oscillates 18 times in 4 seconds.

The frequency = Time divided by the number of oscillations 

Therefore, t = 4/18 = 0.2s.

We know that frequency is nothing but the inverse of the time period. Therefore, the frequency is 4.5Hz.
 

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Updated on: 10-Oct-2022

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