The ratio of the emissive power and absorptive power of all bodies is – McqOptions

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1.	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. This statement is known as
A.	Wien's law
B.	Stefan's law
C.	Kirchhoff's law
D.	Planck's law
Answer» D. Planck's law

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