PhysicsEasy120×since 2002Q6778A linearly polarized electromagnetic wave in vacuum is E=3.1cos[(1.8)z−(5.4×106)t]i^N/CE = 3.1\cos \left[ {(1.8)z - (5.4 \times {{10}^6})t} \right]\widehat iN/CE=3.1cos[(1.8)z−(5.4×106)t]iN/C is incident normally on a perfectly reflecting wall at z = a. Choose the correct optionAThe wavelength is 5.4 mBThe frequency of electromagnetic wave is 54 ×\times× 10⁴ Hz.CThe transmitted wave will be 3.1cos[(1.8)z−(5.4×106)t]i^N/C3.1\cos \left[ {(1.8)z - (5.4 \times {{10}^6})t} \right]\widehat iN/C3.1cos[(1.8)z−(5.4×106)t]iN/CDThe reflected wave will be 3.1cos[(1.8)z+(5.4×106)t]i^N/C3.1\cos \left[ {(1.8)z + (5.4 \times {{10}^6})t} \right]\widehat iN/C3.1cos[(1.8)z+(5.4×106)t]iN/CCheck answerSkip