A-LevelPhysicsPhysical quantities and unitsMay/June 2023Paper 1 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
The correct answer is D. This question tests the candidate's understanding of physical quantities and units within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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