Question

The equation of progressive wave is `y = 0.2 sin 2pi`
`[(t)/(0.01)-(x)/(0.3)]`, where x and y are in metre and t is in second. The velocity of propagation of the wave is
A. 30 m/s
B. 40 m/s
C. 300 m/s
D. 400 m/s

Answer 1

Correct Answer - D
`v= ("Coefficient of t")/("Coefficient of x")=(2pi//0.01)/(2pi//0.3)=30 m//s`