Heat TransferEasy
Question
If a metallic sphere gets cooled from 62oC to 50oC in 10 minutes and in the next 10 minutes gets cooled to 42oC, then the temperature of the surroundings is :-
(Assuming Newton′s laws of cooling is valid)
(Assuming Newton′s laws of cooling is valid)
Options
A.30oC
B.36oC
C.26oC
D.20oC
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