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| Q. |
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. | Krichoff's law |
| B. | Stefan's law |
| C. | Wien' law |
| D. | Planck's law |
| Answer» A. Krichoff's law | |
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