Question

what is normal incidence????​

Answer 1

Answer:

normal incidence The condition in which a wave-front is parallel to an interface, such that the ray path is perpendicular (normal) to the surface. The angle of incidence is zero. See also SNELL'S LAW.

Explanation:

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Answer 2

Normal incidence is said to be made by the ray of incidence when a ray of light falls on a reflecting surface, making an angle 0° with the normal at point of incidence .

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MORE TO KNOW-

•What is incidence ray?

A ray of light that falls on the reflecting surface is known as incident ray

•what is reflected ray?

A ray of light that bounces back from the reflecting surface is called the reflected ray.

•What is point of incidence?

It's the point on the reflecting surface at which the ray of incidence strikes

•What is normal?

Normal is the perpendicular drawn at the point of incidence on the reflecting surface.