The refractive index of the material of a double convex lens is 1.5 and its focal length is 5cm. If the radius of curvature of faces are equal, what is the radius of curvature?
1 Answer
Jul 22, 2018
The radius of curvature is
Explanation:
The refractive index is
The focal length is
The radius of curvatures are
Apply the thin lens approximation
Therefore,