CUET · PHYSICS · PYQ PAPER 2025
A plano-convex lens has focal length 0.5 m and the retractive index of the material of the lens is 1.5. The radius of curvature of the convex surface of the lens is
- A 0.15 m
- B 0.30 m
- C 0.25 m
- D 0.50 m
Answer & Solution
Correct Answer
(C) 0.25 m
Step-by-step Solution
Detailed explanation
\(R = (n-1)f\) \(R = (1.5-1) \times 0.5\) \(R = 0.25 \text{ m}\)
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