77. The metal surface area of S = 15 cm2 and heated to a temperature T = kK 3 emits one minute 100 kJ. Determine: 1) energy emitted by this surface, including its black; 2) the ratio of the irradiance of the surface and the black body at a given temperature.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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