The bob of a simple pendulum takes 1 second to go from one extreme position to the mean position. What is the time period of the simple pendulum?

2 s

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4 s

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6 s

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8 s

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Solution

The correct option is B 4 s
The time taken by a pendulum to complete one oscillation is called the time period.
The time taken by the bob to go from one extreme position to the mean position = 1 s.
So, the time taken by the bob to go from one extreme position to another and come back to its inital position = 1 s + 1 s + 1 s + 1 s = 4 s.
Hence, the time period of the simple pendulum = 4 s.

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