Exercise III — task. Science CBSE, Class 7.

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A simple pendulum takes 32 \(s\) to complete 20 oscillations. What is the time period of the pendulum?

The time period is calculated by the formula

\(Time\ period\ =\) \(\frac {1}{Number\ of\ oscillations}\)
\(Time\ period\ =\) \(\frac {Time\ taken}{Number\ of\ oscillations}\)
\(Time\ taken\ =\) \(\frac {Time\ period}{Number\ of\ oscillations}\)
\(Time\ period\ =\) \({Time\ taken} \times{Number\ of\ oscillations}\)

On substituting the given values in the formula, we get the time period as \(s\).

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