1.

The maximum error in the measurement of mass and density of the cube are 3% and 9% respectively. The maximum error in the measurement of length will be

Answer»

0.02
0.03
0.06
0.09

Solution :As DENSITY `RHO= (m)/(L^(3))`
`:. (Deltarho)/(rho)XX 100= (Deltam)/(m)xx 100+ 3((DeltaL)/(L)) xx 100`
or ` 3((DeltaL)/(L)) xx 100=((Deltarho)/(rho)) xx 100-((Deltam)/(m)) xx 100= 9%-3%= 6%`
or `((DeltaL)/(L))xx 100= 2%`


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