The wave equation is `y=0.30 sin (314 t-1.57 x)` where t , x and y are in second, meter and centimeter respectively. The speed of the wave is

A simple harmonic wave has the equation, xi=0.5 sin (314t-1.57x) where t, x and xi are in second, metre and centimetres respectively. Find the frequency and wevelength of this wave. Another wave has the equation xi=0.1 sin (314t-1.57x+1.57) Deduce the phase difference and ratio of intensities for the above two waves.

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

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

A wave along a string has the equation y = 0.02 sin (30 t - 4x) , where x and y are in m and t in second the amplitude of the wave is