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
detailed solution
Correct option is D
We know density,ρ=MV=[M]L3∴ Δρρ×100=ΔMM×100+3ΔLL×100=3%+3(2%)=9%Talk to our academic expert!
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The length of cylinder is measured with a metre rod having least count . Its diameter is measured with vernier callipers having least count . Given that length is and radius is . The percentage error in the calculated value of the volume will be
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