The plane wave $=()/$ in a lossless medium $($ $=4$$0,=0)$ encounters a lossy medium $($ $=$ $0,=40,$ $=0\mathrm{.}1$ S$/$m$)$ normal to the x$-$axis at x$=0.$ Find $($a$),$ $,$ and SWR $($b$)$ Er and Hr $($c$)$ Et and Ht $($d$)$ The time average Poynting vectors in both regions