The outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror. What will be the focal length of this mirror? Which type of spherical mirror will it provide?

The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror : (a) What will be the focal length this mirror ? (b) Which type be the focal length of this mirror ? ( c) State whether this spherical mirror will diverge of converge light rays.

The focal length of spherical mirror is

Define the focal length of a spherical mirror.

The radius of curvature of a spherical mirror is 18 cm What is the foral length of this mirror?

Give relation between focal length and radius of curvature for spherical mirror.

Give the relation between focal length and radius of curvature of a spherical mirror.

Radius of curvature of a concave mirror is 24 cm. Then find the focal length of the mirror ?

The relation between focal length f and radius of curvature R of a spherical mirror is.