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MHT CET Physics question

PhysicsOscillationsMHT CET

A person measures a time period of a simple pendulum inside a stationary lift and finds it to be . If the lift starts accelerating upwards with an acceleration , the time period of the pendulum will be [MHTCET 2019]

Answer: (B)

Solution

With upward acceleration , , so \sqrt{g/g_{eff}}\sqrt{3/4}$ =

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Question ID VK-068341