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MHT CET Physics question

PhysicsWavesMHT CET

A sonometer wire is in unison with a tuning fork, when it is stretched by weight and the corresponding resonating length is . If the weight is reduced to , the corresponding resonating length becomes . The ratio is [MHTCET 2019]

Answer: (D)

Solution

For the same frequency , so and

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Question ID VK-070371