Progressive wave of sound is represented by `y=a sin [ 400 pi t- pi x//6.85]`where x is in m and t is in sec. Frequency of the wave will be

Progressive wave of sound is represented by y =A sin [400 pi t -pi x // 6.85 ] where x is in m and t is in s. frequency of the wave will be

Progressive wave of sound is represented by y =A sin [400 pi t -pi x // 6.85 ] where x is in m and t is in s. frequency of the wave will be

The equation of a progressive wave in a medium is y= a sin ( 100 pi t +(pi)/( 10) x) , where x is in metre and t is in second . The velocity of wave in the medium is

A progressive wave is represented by equation y = 5 sin ( 80 pi t - 0.5 pi x ) where x,y are in metre and t is in second. Find Velocity

A progressive wave is represented by equation y = 5 sin ( 80 pi t - 0.5 pi x ) where x,y are in metre and t is in second. Find Wavelength

The equation of a progressive wave is y =4 sin (4 pi t-0.04 x+pi/3) where x is in metre and t is in second. The velocity of the wave is