Question

define the term normal in physics

Answer 1

Answer:

The normal line divides the angle between the incident ray and the reflected ray into two equal angles.

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Answer 2

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Answer:

At the point of incidence where the ray strikes the mirror, a line can be drawn perpendicular to the surface of the mirror. This line is known as a normal line (labeled N in the diagram). The normal line divides the angle between the incident ray and the reflected ray into two equal angles.

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