922Mechanical EngineeringMedium
Absorptivity of a body will be equal to its emissivity________?
Awhen system is under thermal equi-librium
Bat critical temperature
Cfor a polished body
Dat all temperatures
Eat one particular temperature
Correct answer
A. when system is under thermal equi-librium
Explanation
The correct answer is when system is under thermal equi-librium.