The density of the material of cylindrical rod was determined by the formula d = m/π r2 l. The percentage error in m, r and l are 3%, 2% and 0.8% respectively. Calculate the maximum possible percentage error in determination of density
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Answer:
Explanation:
Given,
Δm/m X 100 = 3
Δr/r X 100 = 2
Δl/l X 100 = 0.8
Maximum percentage error,
Δd/d X 100 = Δm/m X 100 + 2Δr/r X 100 + Δl/l X 100
= 3 + 2(2) + 0.8
= 7.8%
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