Q. The density of the material of a cube is measured by measuring its mass and length of its side. If the maximum errors in the measurement of mass and the length are 3% and 2% respectively. The maximum error in the measurement of density is

A) 1%
B) 5%
C) 7%
D) 9%
Explanation

Required error in density $= 3\% + 3 \times 2\% = 9\%$.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.