File:Hole in Cavity as Blackbody.png
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Hole_in_Cavity_as_Blackbody.png (568 × 519 pixels, file size: 18 KB, MIME type: image/png)
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| Description | The image depicts the practical implementation of a black body by a small hole entrance to a large cavity with blackened walls. Any light ray entering through the hole is almost entirely absorbed, hence the hole appears as a true black surface. Since the hole is very small, the interior of the cavity contains radiation almost in thermal equilibrium with the walls maintained at a fixed temperature. Hence the hole emits nearly true blackbody radiation. |
| Date | |
| Source | Own work |
| Author | HighTemplar |
| Permission (Reusing this file) |
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:08, 4 November 2007 | | 568 × 519 (18 KB) | HighTemplar (talk | contribs) | {{Information |Description=The image depicts the practical implementation of a black body by a small hole entrance to a large cavity with blackened walls. Any light ray entering through the hole is almost entirely absorbed, hence the hole |
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