Exercise V — task. Science CBSE, Class 8.

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A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.

The formula to calculate the time period is,

\(\frac {Number\ of\ oscillations} {Total\ time}\)
\(Total\ time \times Number\ of\ oscillations\)
\(\frac {Total\ time} {Number\ of\ oscillations}\)

The formula to calculate the frequency is,

\(\frac {Total\ time} {Number\ of\ oscillations}\)
\(\frac {Number\ of\ oscillations} {Total\ time}\)
\(Total\ time \times Number\ of\ oscillations\)

Time period \(=\) \(s\)

Frequency \(=\) \(Hz\)

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