Relative error of measurement 5.00 ± 0.05 cm:
A1%
B0.5%
C5%
D0.05/5 = 0.01 = 1%
Answer & Solution
Correct answer: D. 0.05/5 = 0.01 = 1%
Relative error = Δx/x = 0.05/5 = 0.01 = 1%. Percentage error = relative × 100%. Used to combine errors via propagation rules.
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