Question

27. When an equilateral glass prism is in minimum deviation position,
(A) the refracted ray is parallel to the base of the prism.
(B) the angle of incidence is equal to the angle of emergence.
(1) Only A is true
(2) Only B is true
(3) Both A and B are true (4) Both A and B are false​

Answer 1

Answer:

(2)

Only B is true

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