1.

A wave is represented by the equation : y = A sin(10 pi x + 15 pi t + pi//3)where, x is in metre and t is in second. The expression represents.

Answer»

a WAVE travelling in the positive x-direction with a VELOCITY 1.5m/s
a wave travelling in the NEGATIVE x-direction with a velocity 1.5m/s
a wave travelling in the negative x-direction with a WAVELENGTH 0.2m
a wave travelling in the positive x-direction with a wavelength 0.2m

Answer :B::C


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