Derive general relation of radiation heat exchange between two black body
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The two surfaces which are not in direct contact, exchanges the heat due to radiation phenomena. The factors those determine the rate of heat exchange between two bodies are the temperature of the individual surfaces, their emissivities, as well as how well one surface can see the other surface..... Hope it helps you....
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Heat exchange only takes place when 2 bodies are in contact . This heat exchange depends on the temperature of the bodies . It should also be noted that they shouldn't undergo any chemical reaction .
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