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ShareIn physics, a black body is an object that absorbs all electromagnetic radiation that falls onto it.
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No radiation passes through it and none is reflected, yet in classical physics, it can theoretically radiate any possible wavelength of energy.
Despite the name, black bodies are not actually black as they radiate energy as well.
The amount and type of electromagnetic radiation they emit is directly related to their temperature.
For more information about the topic Black body, read the full article at Wikipedia.org, or see the following related articles:
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Photoelectric effect — The photoelectric effect is the emission of electrons from matter upon the absorption of electromagnetic radiation, such as ultraviolet radiation or ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Black body at Wikipedia.org. See the Wikipedia copyright page for more details.
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