In the figure given below, the time taken by the bob to reach from point O to B is T.
The total distance covered by the pendulum and the time taken to complete one oscillation is:

4x, 4T

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2x, 4T

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8x, 6T

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x, T

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Solution

The correct option is A 4x, 4T
The pendulum is said to complete one oscillation when it follows the path O – B – O – A – O.
The distance O - B is x. Hence in one complete oscillation, the distance covered is 4x.
Also, the time taken for the bob to go from O to B is T. Thus, the time taken for one complete oscillation is 4T.

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