The law stating that good absorbers of heat radiation are also good emitters of it is called?

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1. The law stating that good absorbers of heat radiation are also good emitters of it is called?

Stefan’s Law

Kirchhoff’s Law

Planck’s Law

Wien’s Law

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Kirchhoff’s Law states that a material’s ability to absorb radiation at a given wavelength equals its ability to emit radiation at that same wavelength.