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JEE Main Physics question

PhysicsOscillationsJEE Main

A pan with set of weights is attached with a light spring. When disturbed, the mass-spring system oscillates with a time period of 0.6 s. When some additional weights are added then time period is 0.7 s. The extension caused by the additional weights is approximately given by

Answer: (B)

Solution

For a mass-spring system, the static extension and the period are related by , so . Using :

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Question ID VK-155149