The pressure exerted by an electromagnetic wave of intensity I(W/m2) on a non-reflecting surface is (c is velocity of light) Share with your friends Share 0 Sandeep K. Gupta answered this Dear Student, Presuure exerted by electromagnetic radiation is due to change in momentum when it hits a surface-For EMW momentum is given byp=IAc Here , I = intensity , A= Area, c= speed of light.For a non reflecting suface change in momentum per second will be ∆p=IAcSo , Pressure =FA=Ic N/m2 Regards. -1 View Full Answer
