Q.
The density of a cube can be measured by measuring its mass and the length of its side. If the maximum errors in the measurement of mass and length are 3% and 2% respectively, the maximum error in the measurement of the density of the cube is
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a
9%
b
19%
c
10%
d
90%
answer is A.
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Detailed Solution
d=MV=ML3;Δdd×100=ΔMM+3ΔLL100
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