Heat TransferHard
Question
Two spheres of radii in the ratio 1 : 3 and densities in the ratio 2 : 1 and of same specific heat are heated to same temperature and left in the same surrounding. Their rate of falling temperature will be in the ratio :-
Options
A.2 : 3
B.3 : 2
C.4 : 9
D.9 : 4
(S, T, T0 = same)More Heat Transfer Questions
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