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Kirchhoff's law states that. | |
A. | the total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature [Wrong Answer] |
B. | the wave length corresponding to the maximum energy is proportional to the absolute temperature [Wrong Answer] |
C. | 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 [Correct Answer] |
D. | none of the above [Wrong Answer] |