3 9 2 m s 4 7 6 m s The wavefront of a light beam is given

Last updated: 6/4/2023

3 9 2 m s 4 7 6 m s The wavefront of a light beam is given by the equation x 2y 3z c where c is arbitrary constant then the angle made by direction of light with y axis is 1 14 A 14 Water does not wet an oily glass because 1 cos 14 3 cos 2 sin 4 sin