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 is a right angled prism with other angles as  and . Refractive index of prism is 1.5.  has a thin layer of liquid. Light falls normally on the face . For total internal reflection, maximum refractive index of liquid is

a)

1.4

b)

1.3

c)

1.2

d)

1.6



Question ID - 152878 | SaraNextGen Top Answer

 is a right angled prism with other angles as  and . Refractive index of prism is 1.5.  has a thin layer of liquid. Light falls normally on the face . For total internal reflection, maximum refractive index of liquid is

a)

1.4

b)

1.3

c)

1.2

d)

1.6

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

(b)

For  at

From geometry of figure

127 votes


127