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Light

Definition

Light refers to the natural or artificial illumination that allows us to see and perceive objects. It is a form of electromagnetic radiation that travels in waves.

Analogy

Think of light as the flashlight of knowledge, illuminating our path and revealing the world around us.

Related terms

Shadow: A dark area created when an object blocks light.

Reflection: The bouncing back of light when it hits a surface.

Refraction: The bending of light as it passes through different mediums.

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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.