The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit_______________?
(A) temperature
(B) thickness
(C) area
(D) time
(E) area and time
The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit_______________?
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- Previous:40% of incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissivity of the body be 0.15, then the emissivity of surface is____________________?
- Next:Depending on the radiating properties, a body will be black when_________________?
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