CUET Preparation Today
A thin prism of refractive index 1.5 when placed in air deviates a light ray by a minimum angle of 5°. The angle of minimum deviation when it is immersed in oil of refractive index 1.25 is: |
2° 4° 5° 2.5° |
2° |
The correct answer is Option (1) → 2° |
