A right-hand circularly polarized wave at 1.5 GHz is propagating through a material with & = 6.2 and u = 2.0 and arrives at an interface with air. It is incident at an elevation angle of 15 and an azimuthal angle of 45. The wave has an amplitude of 12 V/m. The interface lies in the x-y plane. Calculate the angle of incidence 0? Write the expression for the incident wave vector k,. Write the unit vectors and rm in the direction of the TE and TM polarizations, respectively. Write the polarization vector of the incident electric field E inc