The equation of a wave is given as`y = 0.07 sin (12 pi x - 3000 pi t)`. . where xis in metre and t in sec, then the correct statement is

The equation of a wave is given as y= 0.07 sin ( 12pi x -3000pi t ), where x is in metre and t is in x,then the correct value is

The equation of a wave is given as y= 0.07 sin ( 12pi x -3000pi t ), where x is in metre and t is in x,then the correct value is

The equation of a wave is given by y=a sin (100t-x/10) where x and y are in metre an t in second, the velocity of wave is

The equation of a wave is given by y=a sin (100t-x/10) where x and y are in metre an t in second, the velocity of wave is

The equation of a wave is y = 0.1 sin (100 pi t - kx) where x , y are in metres and t in seconds . If the velocity of the wave is 100 m/s , then the value of k is