Calculate the frequency of a wave whose time-period is 0.02 s.

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Solution

We have to find the frequency of oscillation.
Given: Time period T = 0.02 s
We know the relation between frequency and time period $f = \frac{1}{T}$ ,
where f is the frequency and T the time period.
So,
$f = \frac{1}{0.02} Hz = 50 Hz$

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