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A simple pendulum has time period T The ...

A simple pendulum has time period `T` The bob is given negative charge and surface below it is given positive change new time period will be

A

less than T

B

greater than T

C

equal to T

D

infinite

Text Solution

Verified by Experts

The correct Answer is:
A
(a) In this case time period of pendulum becomes

`T'=2pisqrt((1)/((g+(qE)/(m))))impliesT' lt T`
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