Teaching MPPSC Assistant Professor Mock Test Series 2025 Electromagnetic Theory Waveguides and Guided Waves Parallel Plane Waveguide
A plane wave from free space (z ≤ 0) is incident normally on a lossless medium with ϵ = 2ϵ0, μ = 8 μ0 in region z ≥ 0.
If the transmitted wave in given as:
\({E_t} = \frac{{ - 40}}{3}{\eta _0}\cos \left( {{{10}^8}t - \frac{4}{3}z} \right){a_y}\;mV\;/\;m\)
The incident wave Ei is _________1
\( - \frac{{40}}{3}{\eta _0}\cos \left( {{{10}^8}t - \frac{1}{3}z} \right){a_y}\;mV\;/\;m\)
2
\( - \frac{{10}}{3}{\eta _0}\cos \left( {{{10}^8}t - \frac{4}{3}z} \right)\;{a_y}\;mV\;/\;m\)
3
\( - 10{\eta _0}\cos \left( {{{10}^8}t - \frac{4}{3}z} \right){a_y}\;mV\;/\;m\)
4
\(- 10{\eta _0}\cos \left( {{{10}^8}t - \frac{1}{3}z} \right){a_y}\;mV\;/\;m\)