A reflecting surface PQ is fixed and a parallel beam of

Last updated: 6/24/2023

A reflecting surface PQ is fixed and a parallel beam of light is incident on it The intensity of light is 600 W m and it makes an angle 53 with the vertical line The area of surface PQ is 2 0 m It is observed that 50 incident energy is reflected by the reflecting surface PQ The net force exerted by the beam on the surface in N is X