Time peirod T of a simple pendulum of length l is given by T = 2\pi\sqrt{l/{g}. If the length is increased by 2%, then an appproximate change in the time period is

WBJEE 2016 Math Solved Paper

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Time peirod T of a simple pendulum of length l is given by T = 2π√

. If the length is increased by 2%, then an appproximate change in the time period is

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