A pendulum oscillates 60 times in 6 seconds. Find time period & frequency.

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Solution

The pendulum oscillates $60$ times in $6$ secs $.$
so taken taken to oscillate once $= 6 / 60$ secs $= 0.1$ secs
so time period of the pendulum is $0.1$ secs $.$
Frequency $= 1 / t i m e p e r i o d$ $= 1 / 0.1$ $H z$ $= 10$ $H z$
We get, $10 H z .$

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