A ray of light experiences a minimum deviation when passing through an equilateral triangular glass...

NECO 2004

A ray of light experiences a minimum deviation when passing through an equilateral triangular glass prism. Calculate the angle of incidence of the ray. [Refractive index of glass = 1.5]

A. 300.0°
B. 48.6°
C. 60.0°
D. 75.5°
E. 105.0 °

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Correct Answer: Option B

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