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The angle at which light strikes a surface is called the angle of incidence. It is measured relative to a line perpendicular (normal) to the surface at the point of incidence.

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What is the name of the line drawn perpendiculars to the surface where the light rays strikes?

A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.


What is the name of the line drawn perpendicular to the surface where light ray strikes?

A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.


What is the name of the line drawn perpendicular to the surface where light rays strike?

A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.


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