question_answer

The displacement \[y\] of a wave travelling in the x-direction is given by \[y={{10}^{-4}}\sin \,\,\left( 600t-2x+\frac{\pi }{3} \right)\] metres, where \[x\] is expressed in metres and \[t\] in seconds. The speed of the wave-motion, in ms?1, is                                                       [AIEEE 2003]

A)            200

B)            300

C)            600

D)            1200