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Grade 12th passWave Motion

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..

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8 Years agoGrade 12th pass
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Profile image of Khimraj
ApprovedApproved Tutor Answer8 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.