Q. When a copper ball is heated, the largest percentage increase will occur in its
A) Diameter
B) Area
C) Volume
D) Density
Explanation
(c) When a copper ball is heated, it’s size increases. As Volume$\ \propto (radius)^{3}$ and Area $\propto (radius)^{2},$ so percentage increase will be largest in it’s volume. Density will decrease with rise in temperature
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.