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Black Body Radiation Definition

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This graph shows the relative intensity and wavelength of a black body for different temperatures.

This graph shows the relative intensity and wavelength of a black body for different temperatures.

Todd Helmenstine - Modified from Darth Kule/Public Domain (Wikimedia Commons)

Definition: Black body radiation refers to the electromagnetic radiation given off by a black body at thermal equilibrium.

As the temperature increases, the peak intensity increases and the peak wavelength decreases.

Alternate Spellings: blackbody radiation

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