According of Kirchhoff’s law,

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According of Kirchhoff&rsquo;s law,

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ratio of emissive power to absorptive power for all bodies is same and is equal to the emissive power of a perfectly black body.

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radiant heat is proportional to fourth power of absolute temperature

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emissive power depends on temperature

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emissive power and absorptivity are constant for all bodies

Q. According of Kirchhoff’s law,