O-LevelPhysicsThermal Physics5054/12 · Oct/Nov 2024 · Q131 Mark

Air at a pressure of 1.0 × 10⁵ N/m² is trapped in a container by a piston. [Figure] A force is applied to move the piston down into the container. The temperature of the air remains constant. The distance between the base of the container and the piston decreases from 0.18 m to 0.15 m. What is the new air pressure inside the container?

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A0.69 × 10⁵ N/m²

B0.83 × 10⁵ N/m²

C1.2 × 10⁵ N/m²

D1.4 × 10⁵ N/m²

✓ Correct answer

C: 1.2 × 10⁵ N/m²

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2024 Paper 1 Variant 2, question 13.

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