engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Optics Refraction and Reflection
If the refractive index of the material of a prism is cot\(\frac{A}{2}\), where A is the angle of prism then the angle of minimum deviation will be
1
π - 2A
2
\(\frac{π}{2}\) - 2A
3
π - A
4
\(\frac{π}{2}\) - A