CUET Preparation Today
The radii of curvature of the two surfaces of a concave lens are 20 cm each. The refractive index of the material of the lens is 1.5. The power of the lens would be- |
-5 D -1 D 2.5 D -0.5 D |
-5 D |
The correct answer is Option (1) → -5 D |
