A uniform plane wave travelling in air is incident on the plane bounda – McqOptions

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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 ‚à†0¬∞
B.	1 ‚à†0¬∞
C.	0.6 ‚à†180¬∞
D.	1.2 ‚à†180¬∞
Answer» D. 1.2 ‚à†180¬∞

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