Visible Light and Spectrum

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Visible Light

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The portion of the electromagnetic spectrum that is visible to the human eye.

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Electromagnetic Spectrum

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Visible light is part of the electromagnetic spectrum, which includes gamma rays, X-rays, ultraviolet, infrared, microwaves, and radio waves.

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Spectrum

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A range of different colors produced when light is dispersed by a prism.

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Prism

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a clear, triangular device made up of plastic or glass (or any transparent material). When white light goes through a prism, the light bends due to the phenomenon called refraction

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ROY G BIV

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A mnemonic for the colors of the rainbow: Red, Orange, Yellow, Green, Blue, Indigo, Violet.

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wavelength of colors

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Different colors have different wavelengths, with red having the longest and violet the shortest.

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transparent

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An object that allows light to pass through clearly.

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translucent

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Allowing light to pass through, but not detailed shapes.

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reflect

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To throw back light or heat without absorbing it.

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refraction

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The bending of light as it passes from one medium to another.