When a plane wave travelling in free-space is incident normally on a m – McqOptions

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1.	When a plane wave travelling in free-space is incident normally on a medium having εr = 9.0 and μr = 1.0, the fraction of power transmitted into the medium is
A.	4/3
B.	3/4
C.	1/2
D.	1/3
Answer» C. 1/2

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