In the density measurement of a cube, the mass and edge length are measured as 10.00 ± 0.10 k g and 0.10 ± 0…

In the density measurement of a cube, the mass and edge length are measured as 10.00±0.10 kg and 0.10±0.01 m, respectively. The error in the measurement of density is:
  1. 0.31
  2. 0.10 
  3. 0.07 
  4. 0.01

Solution

Density ρ=massvolume
ρρ=mm+VV
=mm+3aa V=a3
=0.110+30.010.1
=0.01+30.1
=0.31

Asked in: JEE Main 2019 (09 Apr Shift 1)

Practice more Mathematical Methods questions on Aicharya