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The time period of simple pendulum in stationary lift is T. If lifts moves upward with an acceleration equal to g the new time period will be a) Tb) T/under root 2c) T/2d) T/4Ans with reason please..

The time period of simple pendulum in stationary lift is T. If lifts moves upward with an acceleration equal to g the new time period will be a) Tb) T/under root 2c) T/2d) T/4Ans with reason please..

Grade:12th pass

1 Answers

Khimraj
3007 Points
3 years ago
Time period T = 2\prod(l/g)1/2
When pendulum is in lift Tehe upward acceleration effectively adds to the gravitational acceleration.
So New time period
T’ = 2\prod[l/(g+g)]1/2 = T/(2)1/2
Hope it clears.

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