Differentiate between plane mirror and spherical mirror?

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Solution

Following are three main differences between spherical and plane mirrors:
Plane Mirror Spherical Mirror
A plane mirror has only one kind of reflecting surface which is the plane surface.
The radius of curvature of a plane mirror is at infinity.
The image produced by a plane mirror is always virtual.
A spherical mirror has two types of reflecting surface: concave surface and convex surface.
The radius of curvature of the spherical mirror has a finite length.
The image produced by a concave reflecting surface can be real as well as virtual.

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Plane Mirror	Spherical Mirror
A plane mirror has only one kind of reflecting surface which is the plane surface. The radius of curvature of a plane mirror is at infinity. The image produced by a plane mirror is always virtual.	A spherical mirror has two types of reflecting surface: concave surface and convex surface. The radius of curvature of the spherical mirror has a finite length. The image produced by a concave reflecting surface can be real as well as virtual.