Question

coefficient of emission or Emissivity is...........​

Answer 1

Answer:

Coefficient of emission of a body is the ratio of the emissive power of the body at a given temperature to the emissive power of a perfectly black body at the same temperature. Coefficient of emission, e=EbE.

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Answer 2

ratio of emissive power of a body to that of a emissive power of perfectly black body at the same temperature. product of the emissive powers of the body and perfectly black body at the same temperature.