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What is simple pendulum? Derive an expre...

What is simple pendulum? Derive an expression for the time period and frequency of a simple pendulum of length I. What will be the effect on the time period of a simple pendulum if length of the pendulum becomes (a) greater than the radius of the Earth (b) becomes equal to the radius of the Earth?

Text Solution

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(a) If length of the pendulum becomes greater than the radius of earth then the time period is 84.6 min.
(b) 60 min.
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