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MHT CET Physics question

PhysicsOscillationsMHT CET

A mass M attached to a horizontal spring executes S. H. M. of amplitude . When the mass M passes through its mean position, then a smaller mass m is placed over it and both of them move together with amplitude . The ratio of is [MHT-CET 2022]

Answer: (D)

Solution

Momentum is conserved at the mean position: ; energy gives and , so

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Question ID VK-068456