A wave equation is given by `y=4 sin[pi((t)/(5)-(x)/(9)+(1)/(6))]` where x is in cm and t is in second. Which of the following is true ?

The equation of a wave is y=5sin((t)/(0.04)-(x)/(4)) where x is in cm and t is in seccond. The velocity of the wave will be

The equation of a wave is y=4 sin[(pi)/(2)(2t+(1)/(8)x)] where y and x are in centimeres and t is in seconds.

The equation of a wave is y=4 sin[(pi)/(2)(2t+(1)/(8)x)] where y and x are in centimeres and t is in seconds.

Equation of a progressive wave is given by, y=4sin[pi((t)/(5)-(x)/(9))+(pi)/(6)] where x and y are in metre. Then :

Equation of a progressive wave is given by, y=4sin[pi((t)/(5)-(x)/(9))+(pi)/(6)] where x and y are in metre. Then :

The equation of a progressive wave is given by y = 5 sin [pi ((t)/(5) - (x)/(10))] + (pi)/(6) m Then which one of the following is correct?