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The electric field of a plane electromag...

The electric field of a plane electromagnetic wave in vacuum is represented by `vecE_x=0`, `vecE_y=0.5 cos[2pixx10^8(t-x/c)], vecE_z=0`
(a) What is the direction of propagation of electromagnetic wave?
(b) Determine the wavelength of the wave.
(c) Compute the component of associated magnetic field

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