the poynting vector of an electromagnetic wave is given by S=2i+ 4j+ ?5 k. find the angle made by direction of propagation with X axis Share with your friends Share 0 Vijay Shankar Yadav answered this Dear Student, here direction of pointing vecor is same as direction of propogation of the wave so angle made by vector S with x-axis will be given by cos(α)=222+42+52=245or α=cos-1(245) Regard 1 View Full Answer
