A-LevelPhysicsPhysical quantities and units9702/12 · Oct/Nov 2017 · Q41 Mark

A quantity y is to be determined from the equation shown. y = px / q² The percentage uncertainties in p, x and q are shown. [Table showing percentage uncertainty for p: 6%, x: 2%, q: 4%] What is the percentage uncertainty in y?

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A0.5%

B0.75%

C12%

D16%

✓ Correct answer

D: 16%

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Topic: Physical quantities and units, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2017 Paper 1 Variant 2, question 4.

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