MHT CET Physics question

The period of a simple pendulum is doubled when

(A)its length is doubled
(B)the mass of the bob is doubled
(C)its length is four timesCorrect
(D)the amplitude of the pendulum is double and the length of the pendulum also double

Answer: (C)

Solution

, so doubles when becomes four times; doubling gives , mass has no effect

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Question ID VK-067811