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Q2 Assume a field \( \overrightarrow{\boldsymbol{E}}=1.0 e^{-\kappa z} e^{i(k z-\omega t)} \hat{\boldsymbol{x}}(\mathrm{V} / \mathrm{m}) \), with frequency equal \( 100 \mathrm{MHz} \), at the surface of a copper conductor, \( \sigma=58 \mathrm{MS}^{-1} \), located at \( \mathrm{z}>0 \). Find the skin depth. Q3 A wave is incident at an angle of \( 30^{\circ} \) from air to Teflon, \( \varepsilon=2.1 \varepsilon_{0} \). Calculate the angle of transmission, assume \( \mu_{1}=\mu_{2} \)