The focal length of a lens has dependence on its radii of curvatures and refractive index. Derive Lens maker's formula.

A lens of particular focal length is made from a given glass by adjusting radius of curvature. The formula applied in this case is lens maker's formula. Derive lens maker's formula considering refraction at a spherical surface

If the focal length of a double convex lens is 12 cm and radii of curvatures of faces are 10 cm and 15 cm respectively, what is the refractive index of the lens?

A lens of particular focal length is made from a given glass by adjusting radius of curvature. The formula applied in this case is lens maker.s formula.Write down lens maker.s formula

A lens of a particular focal length is made from a given glass slab by adjusting radii of curvature. The formula used In this case is lens maker.s formula.Compare the focal length of a given converging lens for blue light with that using red light. Are they equal or diferent? Why?