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A ray of light is incident on an equilat...

A ray of light is incident on an equilateral glass prism placed on a horizontal table. Which of the following is true for the condition of minimum deviation ?

A

PQ is horizontal

B

QR is horizontal

C

RS is horizontal

D

Either PQ or RS is horizontal

Text Solution

Verified by Experts

The correct Answer is:
B
For minimum deviation position refracted ray inside the prism is parallel to the base of the prism
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