Question

when an iron sphere is heated, minimum percentage change will be in its
1)radius
2)area
3)volume​

Answer 1

Answer:

Volume

Explanation:

r is proportional to radius

r^2 is proportional to area

so, r^3 will be proportional to volume

Answer 2

heating iron will never change its volume in a very less amount bcoz or can say negligible.

however its area and radius can be changed

by heating in large amount

hope it helps you dude