Angle of minimum deviation is equal to the angle prism A of an equilateral glass prism. The angle incidence at which minimum deviation will be obtained isA. `60^(@)`B. `30^(@)`C. `45^(@)`D. `sin^(1)(2//3)`

Angle of minimum deviation is equal to the angle prism A of an equilat

1.	Angle of minimum deviation is equal to the angle prism A of an equilateral glass prism. The angle incidence at which minimum deviation will be obtained isA. `60^(@)`B. `30^(@)`C. `45^(@)`D. `sin^(1)(2//3)`
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Angle of minimum deviation is equal to the angle prism A of an equilateral glass prism. The angle incidence at which minimum deviation will be obtained isA. `60^(@)`B. `30^(@)`C. `45^(@)`D. `sin^(1)(2//3)`

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