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JEE Main 2013 Physics question

PhysicsWavesJEE Main 2013

A sonometer wire of length 114 cm is fixed at both the ends. Where should the two bridges be placed so as to divide the wire into three segments whose fundamental frequencies are in the ratio 1 : 3 : 4 ?

Answer: (4)

Solution

For the same tension and wire, , so the lengths are in the ratio . With 114

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Question ID VK-104088