Question

What is meant by normal in reflection?​

Answer 1

Answer:

The ray of light which travels into the refracted, or second, medium and leaves the interface is called the reflected ray. A line perpendicular to the surface is imagined at the point of refraction. This line is called a normal

Answer 2

Answer:

A ray of light which falls on a mirror is called the incident ray. A ray of light which is sent or reflected back by the miror is called reflected ray. Normal is a line drawn perpendicular to the surface of mirror from point the point where incident ray meets the surface of the mirror.

Explanation:

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