What is the curvature of a mirror? What is its value for a plane mirror?

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Solution

Explanation: The Center of curvature is defined as the central part or the center point of a sphere of which the spherical or curved mirror is a part.
In the following diagram, the reflection by a plane mirror has been shown.
Considering the ‘NO' as radius and the point ‘N’ as the center of curvature, a plane mirror can not be curved.
Let’s say the plane mirror makes a curve at an infinite distance, then the curvature value would be infinite.

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