NEET Physics Waves Questions Solved

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A string of length L and mass M hangs freely from a fixed point. Then the velocity of transverse waves along the string at a distance x from the free end is

(1) gL

(2) gx

(3) gL

(4) gx

(2) Velocity v=Tm; where T = weight of part of rope hanging below the point under consideration =MLxg

v=MLxgML=xg.

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