a cone has mass(10±0.1)kg, radius of base(1±0.01)m and height(5±0.1)m , obtain %error in measurement of density
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A wire has a mass (0.3 ± 0.003)g, radius (0.5 ± 0.005)mm and length (6 ± 0.06)cm. The maximum percentage error in the measurement of its density is -
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The volume of the wire is given by, V = pi r^2 L Thus density of the wire, ρ = mpir^2 L Taking log and then differentiate: Δρρ × 100 = Δmm × 100
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