A thin uniform rod of length L and mass M is free to rotate in vertica – McqOptions

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1.	A thin uniform rod of length L and mass M is free to rotate in vertical plane as shown in figure below. The time period of its oscillation in vertical plane is
A.	\(T = 2\;\pi \sqrt {\frac{l}{g}} \)
B.	\(T = 2\;\pi \sqrt {\frac{3l}{4g}} \)
C.	\(T = 2\;\pi \sqrt {\frac{2l}{3g}} \)
D.	\(T = 2\;\pi \sqrt {\frac{l}{2g}} \)
Answer» D. \(T = 2\;\pi \sqrt {\frac{l}{2g}} \)

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