Question:
An equi concave lens made up of material of refractive index
Last updated: 6/28/2023
![An equi concave lens made up of material of refractive index](https://media.kunduz.com/media/sug-question-candidate/20211223075753736271-2921925.jpg?h=512)
An equi concave lens made up of material of refractive index 1 5 has focal length of magnitude 10 cm The radius of curvature of any surface of the lens will be equal to 5 cm 10 cm 20 cm