A-LevelPhysicsForces, density and pressure9702/12 · May/June 2013 · Q201 Mark

Two bulbs X and Y containing air at different pressures are connected by a tube P which contains two mercury threads. [Figure showing two bulbs X and Y connected by a U-tube manometer with mercury, indicating h₁ and h₂] The density of mercury is 13600 kg m⁻³. Which pair of values of h₁ and h₂ is possible?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

A4.0 2.0

B6.0 6.0

C12.0 18.0

D18.0 12.0

✓ Correct answer

D: 18.0 12.0

Oracle Prep sorts past-paper questions by topic, so you can drill Forces, density and pressure and see which topics are most likely to come up next.

Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2013 Paper 1 Variant 2, question 20.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content