A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with r = 4. The reflection co-efficient for the normal incidence is

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

1.	A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with _r = 4. The reflection co-efficient for the normal incidence is
A.	0
B.	0.5 180
C.	0.333 0
D.	0.333 180
Answer» E.

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A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with r = 4. The reflection co-efficient for the normal incidence is

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A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with _r = 4. The reflection co-efficient for the normal incidence is