The line perpendicular to the reflective surface is the ___.

Normal

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Line of refraction

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Line of reflection

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Line of incidence

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Solution

The correct option is A
Normal

Consider a mirror as the reflecting surface. The ray of light approaching the mirror is known as the Incident ray(AI). The ray of light that leaves the mirror is known as the Reflected ray(IB). 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 the Normal(OI).

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Similar questions

Q. Normal is an imaginary line perpendicular to the surface where the reflection occurs.

Q. ........ is an imaginary line perpendicular to the surface where the reflection occurs.

Q. is an imaginary line drawn perpendicular to the reflecting surface.

Suppose you have a plane mirror that reflects light. When light strikes the mirror, the light is reflected off the surface. The law of reflection says that:

Statement 1: The angle of incidence (incoming ray) is equal to the angle of reflection (outgoing ray).

Statement 2: The angle is measured from a perpendicular line to the surface called as Normal.

Statement 3: Incident ray, reflected ray and the normal does not lie in the same plane.

Statement 4: The law works for the plane as well as for curved surfaces.

If a line segment of length 10 cm is reflected in a line of symmetry (mirror), then the reflection is a line of length ____.

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