A) \[{{45}^{\circ }}\]
B) \[{{60}^{\circ }}\]
C) \[{{90}^{\circ }}\]
D) \[{{180}^{\circ }}\]
Correct Answer: A
Solution :
Key Idea: In the position of minimum deviation angle of incidence is equal to angle of emergence. Let a ray of monochromatic light \[PQ\] be incident on face \[AB\]. \[PQRS\] is path of light ray,You need to login to perform this action.
You will be redirected in
3 sec