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

a)

b)

c)

d)



Question ID - 150068 | SaraNextGen Top Answer

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

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

The intensity of light reflected from upper surface is

The intensity of transmitted light from upper surface is

 The intensity of reflected light from upper surface is

127 votes


127