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O-LevelPhysicsForces5054/11 · May/June 2020 · Q151 Mark

The diagram shows a mercury manometer. The tube is open to the atmosphere on the right-hand side. The left-hand side is connected to a container containing a gas at pressure P. Atmospheric pressure on its own supports a column of mercury of height 756 mm. Which height of column does pressure P on its own support?

Diagram for this question, from the exam paper

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A676 mm of mercury
B696 mm of mercury
C816 mm of mercury
D836 mm of mercury

✓ Correct answer

B: 696 mm of mercury

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About this question

Topic
Forces, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2020 Paper 1 Variant 1, question 15.

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