A-LevelPhysicsPhysical quantities and unitsOct/Nov 2012Paper 1 Q51 Mark
A student is given a reel of wire of diameter less than 0.2 mm and is asked to find the density of the metal. Which pair of instruments would be most suitable for finding the volume of the wire?
Abalance and micrometer
Bmetre rule and micrometer
Cmetre rule and vernier calipers
Dmicrometer and vernier calipers
✓ 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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