The focal length of both a spherical mirror and a thin spherical lens is -15 cm. Mirror and lens are possible...

The focal length of spherical mirror is

Define the focal length of a spherical mirror.

The magnification produced by a spherical mirror and a spherical lens is +0.8 .

The focal length (f) of a spherical mirror of radius of curvature R is

The focal length of a spherical mirror of radius of curvature 30 cm is:

A spherical mirror and a thin spherical lens have each a focal length of - 15 cm . The mirror and lens are likely to be