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2- A uniform, parallel polarized electromagnetic wave
propagating in air, impinges a medium with ɛ=5ɛ0 and
u=2µ0 as shown in the figure. Electric field is given as:
Air
Medium
Е —
(8а,
6a.) sin (wt – 4y – 3z) V/m
-
(e = E0, u = Lo)
Find:
a) Incidence angle of the incident wave.
b) Reflected and transmitted electric field expressions.
0,
c) Time average powers in air and medium.

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