A biconvex lens has a focal length 2/3 times the radius of curvature of either surface…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
A biconvex lens has a focal length 2/3 times the radius of curvature of either surface. The refractive index of the lens material is
- 1.75
- 1.33
- 1.5
- 1.0
Answer
(A) 1.75
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