O-LevelPhysicsForcesOct/Nov 2024Paper 1 Q111 Mark
The extension of a spring is measured as the load stretching it is increased. The graph shows the results. [Figure showing an extension vs load graph with a straight line up to point B, then curving to D]. Which point is the spring's limit of proportionality?
A[Point A on graph]
B[Point B on graph]
C[Point C on graph]
D[Point D on graph]
✓ Correct Answer
The correct answer is B: [Point B on graph]
📋 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...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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