A-LevelPhysicsPhysical quantities and unitsMay/June 2011Paper 1 Q21 Mark
To check calculations, the units are put into the following equations together with the numbers. Which equation must be incorrect?
Aforce = 300 J / 6 m
Bpower = 6000 J × 20 s
Ctime = 6 m / 30 ms⁻¹
Dvelocity = 4 ms⁻² × 30 s
✓ Correct Answer
The correct answer is B. 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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