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Kirchhoff's law states that
Answer & Solution
Correct Answer:
Option
C
It states that For an arbitrary body emitting and absorbing thermal radiation in thermodynamic equilibrium, the emissivity is equal to the absorptivity.
The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body
The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body
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