 
			 
			MCQOPTIONS
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				| 1. | A food industry keeps food cool in a very crude manner, by radiation. It paints its walls white and not black, because of _____ | 
| A. | Kirchhoff’s Law | 
| B. | Stephan-Boltzmann Law | 
| C. | None of the mentioned | 
| D. | Kirchhoff’s Law & Stephan-Boltzmann Law | 
| Answer» B. Stephan-Boltzmann Law | |