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what is is geometric centre of a mirror why it is called as?

what is is geometric centre of a mirror why it is called as?
 
 

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2 Answers

Arun
25763 Points
one year ago
The point at which the principal axis touches the surface of the mirror is called the vertex. The point , on the principal axis, which is equidistant from all points on the reflecting surface of the mirror is called the centre of curvature.
Vikas TU
14149 Points
one year ago
Dear student 
I will talk in sense of geometric centre of spherical mirror.
The geometric centre of a spherical mirror is called its pole. The centre of the hollow sphere for which the mirror is a part, is called the centre of curvature. The line joining the centre of curvature and the pole is the principal axis. A light ray incident on a spherical mirror, after reflection appears to pass through the principal focus in the case of a convex mirror and passes through the focus in the case of concave mirror. The diameter of the spherical mirror gives the measure of its aperture.
Hope this helps 
Good Luck 

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