VectorHard

Question

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 -

Options

A.1
B.2
C.3
D.4

Solution

ρ = × 100
= × 100 + 2 × × 100 = 4%

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