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.Is it possible for a given lens to act as a converg ing lens in one medium and a diverging lens In another medium? Why?

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 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

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?

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. Explain the following facts based on lens maker.s formula (i) power of sun glasses is zero even though they are curved

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

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?

What is the focal length of a convex lens of focal length 30 cm in contact with a concave lens of focal length 20 cm? Is the system a converging or a diverging lens? Ignore thickness of the lenses.