﻿ Three glass prism A, B and C of the same refractive index are placed in contact with each other as shown in the diagram below with no air gap between the prisms. A monochromatic ray of light OP passes through the prism assembly and emerges as QR. The conditional minimum deviation is satisfied in the prisms:                                                                    : Kaysons Education

# Three Glass Prism A, B and C of The Same Refractive Index Are Placed In Contact With Each Other As Shown In The Diagram Below With No Air Gap Between The Prisms. A Monochromatic Ray Of Light OP passes Through The Prism Assembly And Emerges As QR. The Conditional Minimum Deviation Is Satisfied In The Prisms:

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## Question

### Solution

Correct option is

A and B

In the position of minimum deviation, the refracted ray becomes parallel to the base of the prism. In the given problem, this condition is fulfilled by the prisms A and B

#### SIMILAR QUESTIONS

Q1

A ray of light passes through an equilateral prism of glass in such a manner that the angle of incidence is equal to the angle of emergence and each of these angles is equal to (3/4) of the angle of prism. The angle of deviation is:

Q2

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Q3

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Q4

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Q5

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Q6

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Q7

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Q8

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Q9

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Q10

Angle of minimum deviation for a prism of refractive index 1.5 is equal to the angle of prism. The angel of the prism is:

(Given cos 41o ≈ 0.75)