A body at 500 K cools by radiating heat to ambient atmosphere maintain – McqOptions

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1.	A body at 500 K cools by radiating heat to ambient atmosphere maintained at 300 K. When the body has cooled to 400 K, the cooling rate as a percentage of original rate is about
A.	31.1
B.	41.5
C.	50.3
D.	80.4
Answer» B. 41.5

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