Compare the rates of emission of heat by a black body when at temperatures of 527°C and 127°C. Will this ratio be affected if the body is surrounded by an enclosure (also black) at 27°C? Calculate the ratio of the rates of loss of heat in the latter case. Assume Stefan's law of adiation.
Compare the rates of emission of heat by a black body when at temperatures of 527°C and 127°C. Will this ratio be affected if the body is surrounded by an enclosure (also black) at 27°C? Calculate the ratio of the rates of loss of heat in the latter case. Assume Stefan's law of adiation.
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Transcribed Image Text:Compare the rates of emission of heat by a black body when at temperatures of 527°C and
127°C. Will this ratio be affected if the body is surrounded by an enclosure (also black) at
27°C? Calculate the ratio of the rates of loss of heat in the latter case. Assume Stefan's law of
adiation.
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