Questions
The length and breadth of a rectangular object are 50 cm and 20cm respectively and were measured to an accuracy of 0.2 cm. The percentage error in area is
detailed solution
Correct option is C
A=lb⇒ΔAA×100=Δll×100+Δbb×100 =0.250×100+0.220×100 =0.4+1 =1.4%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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