A metal ball is heated through a certain temperature. Out of mass, rad – InterviewSolution

1.	A metal ball is heated through a certain temperature. Out of mass, radius, surface area and volume, which will undergo largest percentage increase and which of the least?
Answer» There will be no change in mass. The volume will undergo largest percentage increase; while the radius, minimum. it is because, volume of the spherical ball depends on cube of its radius:

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