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Transcribed Image Text:Em-e. An EM wave propagating in vacuum, with electric field amplitude Eo > 0 and magnetic field amplitude Bo > 0, has wavenumber k
and angular frequency w. The following is a list of possible pairs of the electric (E) and magnetic fields (B):
1. E= = Eo cos(kz+wt)k, B = Bo cos(kz+wt) j
II. E = E cos(ky - wt)k, B = Bo cos(ky – wt) i
III. Ē =-Eo cos(kx+wt) j, B = − B₁ cos(kx + wt) k.
Which among the choices below correspond to a physically realizable EM wave?
6
O A. I only
O B.
II only
O C. II and III only
O D. III only
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