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9.Abodyof mass 20.00 g has volume 5.0 cm2. Themaximum possible error in the measurement of massand volume respectively are 0.01 g and 0.1 cm3. Thepercentage error in the density will be nearest to: (2000 |
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Answer» M = 2.00 gm Δm = 0.01 gmV = 5.0 cm³ ΔV = 0.1 cm³d = m/V = 2/5 = 0.40 gm/cm³ density = d = m/V => Δd / d =Δm / m + ΔV/ V = 0.01/2 + 0.1/5 = 0.025Δd = 0.025 * 0.4 = 0.01 gm/cm³ d = 0.40 +- 0.01 gm/cm³ |
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