4. Image formation by mirror

Plane Mirror vs Spherical Mirrors

Mirrors are made into different shapes for different purposes.

The two of the most prominent types of mirrors are:

  • Plane Mirrors
  • Spherical Mirrors

A plane mirror is a flat, smooth reflective surface. A plane mirror always forms a virtual image that is upright, and of the same shape and size as the object, it is reflecting. A spherical mirror is a mirror that has a consistent curve and a constant radius of curvature. The images formed by a spherical mirror can either be real or virtual. Spherical mirrors are of two types as:

  • Concave Mirror
  • Convex Mirror

In the next few sections, let us learn in-depth about the characteristics of convex and concave mirrors and the images formed by them when the object is kept at different positions.

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