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Light Definition & Meaning - Merriam-Webster
light: [noun] something that makes vision possible. the sensation aroused by stimulation of the visual receptors.
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Light - Wikipedia
Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that is perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths). In physics, the term "light" may refer more broadly to electromagnetic radiation of any wavelengt…
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What is Light? – The Wonders of Physics – UW–Madison
Light is a kind of wave, somewhat like ocean waves or sound waves. Waves carry energy from one place to another. But light waves don’t need water or air or anything to travel. They can move even in empty space (unlike sound waves). Light waves are made of a mixture of electricity and magnetism so they are called electromagnetic waves.
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Light Definition & Meaning | Dictionary.com
Light definition, something that makes things visible or affords illumination: All colors depend on light. See more.
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light | Definition, Properties, Physics, Characteristics
Dec 01, 2021 · Through the sense of sight, light is a primary tool for perceiving the world and communicating within it. Light from the Sun warms the Earth, drives global weather patterns, and initiates the life-sustaining process of photosynthesis. On the grandest scale, light’s interactions with matter have helped shape the structure of the universe.
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