The electric field part of an electromagnetic wave in a medium is represented by Ex = 0; ${E_y} = 2.5{N \over C}\cos \left[ {\left( {2\pi \times {{10}^6}{{rad} \over m}} \right)t - \left( {\pi \times {{10}^{ - 2}}{{rad} \over s}} \right)x} \right];$ Ez = 0.

Question

The electric field part of an electromagnetic wave in a medium is represented by E_x = 0;

${E_y} = 2.5{N \over C}\cos \left[ {\left( {2\pi \times {{10}^6}{{rad} \over m}} \right)t - \left( {\pi \times {{10}^{ - 2}}{{rad} \over s}} \right)x} \right];$

E_z = 0.

moving along x direction with frequency 10⁶ Hz and wavelength 100 m.

moving along x direction with frequency 10⁶ Hz and wavelength 200 m.

moving along $-$x direction with frequency 10⁶ Hz and wavelength 200 m.

moving along y direction with frequency $2\pi \times {10^6}\,Hz$ and wavelength 200 m.

Solution

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