Questions
The radius of a sphere is measured to be . Calculate its surface area with error limits.
detailed solution
Correct option is B
S=4πr2=4π(2.1)2=55.4 cm2ΔSS=2×ΔrrΔS=2×Δrr×S=2×0.52.1×55.4=26.4 cm2(S±ΔS)=(55.4±26.4)cm2Talk 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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