According to Kirchoff’s law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a _________________?
(A) grey body
(B) brilliant white polished body
(C) red hot body
(D) black body
(E) none of the above
According to Kirchoff’s law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a _________________?
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