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A second pendulum is shifted from a plane where `g = 9.8 m//s^(2)` to another place where `g = 9.82 m//s^(2)`. To keep period of oscillation constant its length should beA. decreased by `(2)/(pi^(2))cm`B. increased by `(2)/(pi^(2))cm`C. increased by `(2)/(pi)cm`D. decreased by `(2)/(pi)cm` |
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Answer» Correct Answer - B `Deltal = (Deltag)/(pi^(2))` |
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