Question

A monochromatic light is incident at a certain angle on an equilateral triangular prism and suffers minimum deviation. If the refractive index of the material of the prism is $\sqrt{3}$, then the angle of incidence is :

• A. ${90}^o$
• B. ${30}^o$
• C. ${60}^o$
• D. ${45}^o$

Answer 1

The correct option is C ${60}^o$

Option C is correct