A-LevelPhysicsPhysical quantities and units9702/12 · May/June 2023 · Q31 Mark

Two measurements for a solid sphere are shown. mass = (32.5 ± 0.1) g diameter = (1.87 ± 0.04) cm These values are used to determine the density of the sphere. What is the percentage uncertainty in the density?

A2.4%

B4.6%

C6.1%

D6.7%

✓ Correct answer

D: 6.7%

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Topic: Physical quantities and units, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2023 Paper 1 Variant 2, question 3.

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