A black body radiates energy at the rate of 1 105 J/(sm)2 at a tempera – McqOptions

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1.	A black body radiates energy at the rate of 1 10⁵ J/(sm)² at a temperature of 227 C. The temperature to which it must be heated so that it radiates energy at the rate of 1 10⁹ J/(sm)².
A.	5000 K
B.	5000 C
C.	500 K
D.	500 C
Answer» B. 5000 C

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