A-LevelPhysicsForces, density and pressure9702/12 · Oct/Nov 2020 · 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

B: estimate of the mass

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Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2020 Paper 1 Variant 2, question 1.

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