An electromgnetic wave in vaccum has the electric and magnetic field E and B , which are always perpendicular to each other. The direction of polarization is given by X and that of wave propagation by K. Then An electromgnetic wave in vaccum has the electric and magnetic field E and B which are always perpendicular to each other. The direction of polarization is given by X and that of wave propagation by K. Then October 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related