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[" 38.The rate of dissipation of heat by...

[" 38.The rate of dissipation of heat by a black body at temperature "T" is what will be the rate of dissipation of "],[" heat by another body at temperature "2T" and emissivity "0.25?],[[" (A) "16Q," (В) "4Q," (C) "8O," (D) "4.5Q]]

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