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AB wire (length x) is vibrating in its f...

AB wire (length x) is vibrating in its fundamental mode. Wire AB is in resonance with resonance tube in which air column (length x/2) is also vibrating with its fundamental mode. Sound speed is 400 m/sec and linear mass density of AB wire is `10^-4` kg/m and g=10 `m//sec^2`, value of mass m =`[beta(10^-1)] kg`, then find value of `beta`.Neglect the masses of wires in comparison to block's mass 'm'.

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