MHT CET Physics question

PhysicsWavesMHT CET

A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes between the two bridges when a mass of 9 kg is suspended from the wire. When this mass is replaced by a mass M, the wire resonates with the same tuning fork forming three antinodes for the same positions of the bridges. The value of 'M' is [MHT-CET 2021]

Answer: (D)

Solution

Loops , so gives kg; 5,

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Question ID VK-070566