Question

The speed of progation of a wave in a medium is 300 m/s-1. The equation of motion of point at x = 0 is given by y = 0.04 sin 600 pit(metre). The displacement of a point x = 75 cm at t = 0.01 s is 

(a) 0.02 m

(b) 0.04 m

(c) zero

(d) 0.028 m

Answer 1

Correct option (b) 0.04 m

Explanation :