Select One Correct Option from the following: A ray of light is incident on an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true?
(A) PQ is horizontal
(B) QR is horizontal
(C) RS is horizontal
(D) Either PQ or RS is horizontal.
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yes b option is true.
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Select One Correct Option from the following: A ray of light is incident on an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true?
(A) PQ is horizontal
✴️ (B) QR is horizontal
(C) RS is horizontal
(D) Either PQ or RS is horizontal.
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