The equation of a progressive wave is given by `y = 0.5 sin (20 x - 400 t)` where xand y are in metre and tis in second. The velocity of the wave is

Equation of the progressive wave is given by : y=a sin pi (40 t-x) where a and x are in metre and t in second. The velocity of the 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 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 plane progressive wave is given by y=2cos(100pit-(pix)/(20)) where x and y are in cm and t is in second. The wavelength of the wave is

The equation of a plane progressive wave is given by y=2cos(100pit-(pix)/(20)) where x and y are in cm and t is in second. The wavelength of the wave is

The equation of a simple harmonic wave is given by y=5 "sin"(pi)/(2)(100 t-x) where x and y are in metre and time is in second. The period of the wave in second will be