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JEE Mains Model Paper 8

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Question : 39 of 90

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A pendulum of length L has time period T for small oscillations. An obstacle is placed directly beneaththe pivot so that only the lowest one quarter of the string can follow the pendulum bob when it swingsin the left of its resting position as shown in the figure. Time taken by the bob to return the position Aif it was released from that position, is

T
T
2
3T
4
T
4

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