Absorptivity of a body will be equal to its emissivity Options: A . &nbspAt one particular temperature B . &nbspWhen system is under thermal equilibrium C . &nbspAt all temperatures D . &nbspAt critical temperature

Absorptivity of a body will be equal to its emissivity

Question

Absorptivity of a body will be equal to its emissivity

Options:

A . At one particular temperature

B . When system is under thermal equilibrium

C . At all temperatures

D . At critical temperature

Answer: Option B

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