MHT CET Physics question

PhysicsOscillationsMHT CET

The bob of a simple pendulum performs SHM with period in air and with period in water. Relation between and is (neglect friction due to water, density of the material of the bob is ) [MHTCET 2016]

Answer: (A)

Solution

In water the effective gravity is , so $ =

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Question ID VK-068349