MCQ
When light rays are incident on a prism at an angle of $45^{\circ}$, the minimum deviation is obtained. If refractive index of the material of prism is $\sqrt{2}$, then the angle of prism will be
- A$30^{\circ}$
- B$40^{\circ}$
- C$50^{\circ}$
- ✓$60^{\circ}$

