Questions
The length of a strip measured with a metre rod is . Its width measured with a vernier calipers is . The least count of the metre rod is and that of vernier calipers . What will be error in its area?
detailed solution
Correct option is D
A=I×ωΔAA×100=Δll×100+Δωω×100=0.110.0×100+0.011.0×100=±2%Talk to our academic expert!
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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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