Graybody: Difference between revisions

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|Meaning=A hypothetical "body" that absorbs some constant fraction, between 0 and 1, of all  [[electromagnetic radiation]] incident upon it.
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|Explanation=This fraction is the [[absorptivity]] and is independent of [[wavelength]]. As such, a graybody  represents a surface of absorptive characteristics intermediate between those of a white body and  a [[blackbody]]. No such substances are known in nature.
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== graybody ==
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<div class="definition"><div class="short_definition">A hypothetical "body" that absorbs some constant fraction, between 0 and 1, of all  [[electromagnetic radiation]] incident upon it.</div><br/> <div class="paragraph">This fraction is the [[absorptivity]] and is independent of [[wavelength]]. As such, a graybody  represents a surface of absorptive characteristics intermediate between those of a white body and  a [[blackbody]]. No such substances are known in nature.</div><br/> </div>
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Latest revision as of 08:35, 29 March 2024

A hypothetical "body" that absorbs some constant fraction, between 0 and 1, of all electromagnetic radiation incident upon it.

This fraction is the absorptivity and is independent of wavelength. As such, a graybody represents a surface of absorptive characteristics intermediate between those of a white body and a blackbody. No such substances are known in nature.

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