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1. A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with er = 15. The reflection coefficient for normal incidence is
(A): 0.6 ∠0°
(B): 0.6 ∠180°
(C): 1 ∠0°
(D): 1.2 ∠180°
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By: guest on 02 Jun 2017 12.56 am
Coefficient = ∴ Coefficient = 0.6 ∠180°.
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