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MHT CET Physics question

PhysicsOscillationsMHT CET

A pendulum is oscillating with frequency 'n' on the surface of earth. If it is taken to depth R/2 below the surface of earth where R is radius of earth, new frequency of oscillations at depth R/2 is [MHT-CET 2022]

Answer: (C)

Solution

At depth R/2, and , so

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Question ID VK-060332