Ap Eapcet
Electromagnetic Waves
AP EAPCET 2022 - 4th July Morning Shift
MCQ+1 / -02022
A beam of light with intensity \(10^{-3} \mathrm{~Nm}^{-2}\) and cross-sectional area \(20 \mathrm{~cm}^2\) is incident on a fully reflective surface at angle \(45^{\circ}\). Then, the force exerted by the beam on the surface is