A-LevelPhysicsForces, density and pressureOct/Nov 2020Paper 1 Q11 Mark
A student uses the volume of a metal coin in order to determine the density of the metal. What is not needed in order to determine an estimate of the volume of the coin?
Aestimate of the diameter
Bestimate of the mass
Cestimate of the thickness
Duse of the formula for the volume of a cylinder
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of forces, density and pressure 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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