1.

The equation of a transverse wave is given by                           \[y=10\sin \pi (0.01x-2t)\]            where x  and y are in cm and t is in second. Its frequency is [MP PET 1990; MNR 1986; RPET 2003]

A.            \[10{{\sec }^{-1}}\]            
B.            \[2\,{{\sec }^{-1}}\]
C.            \[1\,{{\sec }^{-1}}\]           
D.            \[0.01\,{{\sec }^{-1}}\]
Answer» D.            \[0.01\,{{\sec }^{-1}}\]


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