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A parallel beam of light of intensity I ...

A parallel beam of light of intensity I is incident on a glass plate. `25%` of light is reflected in any reflection by upper surface and `50%` of light is reflected by any reflection from lower surface. Rest is refracted The ratio of maximum to minimum intensity in interference region of reflected rays is

A

`((1/2+sqrt(3/8))/(1/2-sqrt(3/8)))^(2)`

B

`((1/4+sqrt(3/8))/(1/2-sqrt(3/8)))^(2)`

C

`5/8`

D

`8/5`

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