InterviewSolution
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InterviewSolution
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Pendulum `A` is a physical pendulum made from a thin, rigid and uniform rod whose length is `d`. One end of this rod is attached to the ceiling by a frictionless hinge, so that the rod is free to swing back and forth. Pendulum `B` is a simple pendulum whose length is also `d`. Obtain the ratio `(T_(A))/(T_(B))` of their periods for small angle oscillations.A. `sqrt((3)/(2))`B. `sqrt((2)/(3))`C. `(2)/(3)`D. `3/2` |
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Answer» Correct Answer - B `T_(A) = 2pisqrt((I)/(mgl)) = 2pisqrt((mgl^(2)//3)/(mgl//2)) = 2pisqrt((2l)/(3g))` & `T_(B) = 2pisqrt((l)/(g)) rArr (T_(A))/(T_(B)) = sqrt((2)/(3)` |
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