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An ideal pendulum was oscillating with a...

An ideal pendulum was oscillating with an angular amplitude `theta=pi//3` inside a stationary elevator. When the pendulum was passing through equilibrium position, the lift suddenly starts moving upward with an acceleration `a=g`. Find the new angular amplitude of the oscillation.

A

`(pi)/(3)`

B

`(pi)/(6)`

C

`cos^(-1)((3)/(4))`

D

`(pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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