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1. A uniform plane wave in the free space is normally incident on an infinitely thick dielectric slab (dielectric constant εr = 9). The magnitude of the reflection coefficient is
(A): 0
(B): 0.3
(C): 0.5
(D): 0.8
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By: guest on 02 Jun 2017 12.55 am
Thus reflection coefficient = = - 0.5 Thus magnitude is 0.5 .
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