A sphere, the density and specific heat of sphere are 
and 
, is suspended in an enclosure respectively. The radius of the sphere is 
and the temperature difference 
between the sphere and surroundings is small. If the temperature of the surroundings is 
, then the rate of fall of temperature of the sphere will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
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