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Questions  

A rod PQ of length 'L' is hung from two identical wires A and B. A block of mass 'm' is hung at point R of the rod as shown in figure. The value of 'x' so that the fundamental mode in wire A is in resonance with first overtone of B is ___

a
b
c
d

detailed solution

Correct option is C

Each string is fixed at both ends.Taking moment about Q, Taking moment about P,Now,

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