Question

What is normal in a spherical mirror ??

Plzz define....​

Answer 1

Hello Brainly User

A curved surface is a surface that has any curvature, it could even vary from point to point in the extreme case. A normal ray is formed by drawing a line perpendicular to the tangent to the surface at any given point.

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Answer 2

Answer:

NORMAL IS THE IMAGINARY LINE DRAWN WHICH GOES FRON THE CENTRE OF THE MIRROR UPTO INFINITY. IT IS ALSO CALLED PRINCIPLE AXIS.