Q. Absorptivity of a body will be equal to its emissivity
A. at all temperatures
B. at one particular temperature
C. when system is under thermal equi-librium
D. at critical temperature
Answer: when system is under thermal equi-librium
A. at all temperatures
B. at one particular temperature
C. when system is under thermal equi-librium
D. at critical temperature
Answer: when system is under thermal equi-librium
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