Magnitude of focal length of a spherical mirror is f and magnitude of linear magnification is `1/2`

The focal length of spherical mirror is

Define the focal length of a spherical mirror.

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

Principal focal length of a spherical mirror is equal to……….. Radius……… of the mirror.

Define focus, focal length and aperture of a spherical mirror.

An obejct is placed at a distance 2f from the pole of a convex mirror of focal length f . The linear magnification is

An object is placed at a distance x from the principal focus of a spherical mirror of focal length f. The magnification of the image will be