Three waves of equal frequency having amplitudes `10mum`, `4mum`, `7mum` arrive at a given point with successive phase difference of `pi//2`, the amplitude of the resulting wave in `mum` is given by

Three waves of equal frequencies having amplitudes 10 mu m, 4mu m and 7 mum arrive at a given point with successive phase difference of pi//2 . The amplitude of the resulting wave in mu m is given by

Three waves of equal frequency having amplitudes 10 mm, 4 mm and 7 mm superpose at a given point with successive phase difference of pi /2 . The amplitude of the resulting wave in mm is given by

Three waves of equal frequency having amplitudes 10 mm, 4 mm and 7 mm superpose at a given point with successive phase difference of pi /2 . The amplitude of the resulting wave in mm is given by

Three coherent waves having amplitudes 12mm, 6mm and 4mm arrive at a given point with successive phase difference of pi/2 . Then, the amplitude of the resultant wave is

Three coherent waves having amplitudes 12mm, 6mm and 4mm arrive at a given point with successive phase difference of pi/2 . Then, the amplitude of the resultant wave is

Three coherent waves having amplitudes 12mm, 6mm and 4mm arrive at a given point with successive phase difference of pi/2 . Then, the amplitude of the resultant wave is

Three waves producing displacement in the same direction of same frequency and of amplitudes 10etam, 4etam" and "7eta m arrive at a point with successive phase difference of pi//2 . The amplitude of the resultant wave is :--

Three waves producing displacement in the same direction of same frequency and of amplitudes 10etam, 4etam" and "7eta m arrive at a point with successive phase difference of pi//2 . The amplitude of the resultant wave is :--