A-LevelPhysicsPhysical quantities and unitsMay/June 2019Paper 1 Q61 Mark
Two quantities p and q are directly proportional to each other. Experimental results are taken and plotted in a graph of q against p. Which graph shows there were random errors in the measurements of p and q?
A[Graph A shows points close to a straight line passing through the origin]
B[Graph B shows points close to a curve]
C[Graph C shows points scattered around a straight line passing through the origin]
D[Graph D shows points scattered around a straight line not passing through the origin]
✓ Correct Answer
The correct answer is C. 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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