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Reflection

Definition

Reflection is the bouncing back of light rays from a surface when they encounter it. It follows the law of reflection which states that the angle at which an incoming ray strikes a surface is equal to the angle at which the reflected ray leaves the surface.

Analogy

Imagine throwing a ball against a wall and observing how it bounces back at an equal angle. This is similar to how light reflects off a mirror or any other reflective surface.

Related terms

Incident Ray: The incident ray is the incoming ray of light that strikes a surface.

Reflected Ray: The reflected ray is the ray of light that bounces off a surface after reflection.

Normal Line: The normal line is an imaginary line perpendicular to the reflecting surface, used to measure angles of incidence and reflection.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.