Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A sphere of ice at 
having initial radius 
is placed in an environment having ambient temperature 
. The ice melts uniformly, such that shape remains spherical. After a time ' 
' the radius of the sphere has reduced to 
. Assuming the rate of heat absorption is proportional to the surface area of the sphere at any moment, which graph best depicts 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
[given], where 
constant
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