1.

The displacement of a particle is given by \[y=5\times {{10}^{-4}}\sin (100t-50x)\], where x is in meter and t in sec, find out the velocity of the wave     [CPMT 1982]

A.            5000 m/sec                           
B.            2 m/sec
C.            0.5 m/sec                               
D.            300 m/sec
Answer» C.            0.5 m/sec                               


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