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The time T of of oscillation of a simple...

The time T of of oscillation of a simple pendulum of length l is given by `T=2pisqrt(l/g)`. Find the percentage error in T, corresponding to an error of `2%` in the value of l.

A

`2%`

B

`1%`

C

`1/2%`

D

none of these

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The correct Answer is:
B
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