MHT CET Physics question

Physics Oscillations MHT CET

If length of a simple pendulum is increased by 44%, then what is the gain in the time period of pendulum?

(A)40%
(B)20%Correct
(C)10%
(D)21%

Answer: (B)

Solution

, so , a gain of 20%; 40% and 21% come from

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Question ID VK-068165