Questions
A wire has a mass 0.30.003 g, radius 0.50.005 mm and length 60.06 cm. The maximum percentage error in the measurement of its density is
detailed solution
Correct option is D
∴Density, ρ=MV=Mπr2L⇒ Δρρ=ΔMM+2Δrr+ΔLL=0.0030.3+2×0.0050.5+0.066=0.01+0.02+0.01=0.04∴ Percentage error =Δρρ×100=0.04×100=4%Talk to our academic expert!
Similar Questions
The density of a cube is measured by measuring its mass and length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2% respectively, then the maximum error in the measurement of density is
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