The mass of a body is 10.000 gm and its volume is 10.00cm3. If the measured values are expressed upto correct significant figures, then the maximum error in the measurement of density is :
A
0.0012gm/cm3
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B
0.001gm/cm3
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C
0.0001gm/cm3
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D
0.021gm/cm3
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Solution
The correct option is B0.001gm/cm3 Given : Mass, M=10.000 gm
Volume, V=10.00cm3
∴ Density, d=MV=10.00010.00=1gm/cm3
Error in mass, ΔM=0.001 gm
Error in volume, ΔV=0.01cm3
Error in density, Δd=d(ΔMM+ΔVV)=1(0.00110.000+0.0110.00)=0.0011gm/cm3