O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2023 · Q141 Mark

Some gas is trapped in a large syringe. The atmospheric pressure is 100 kPa. The gas pressure is 200 kPa above atmospheric pressure. The piston moves outwards and the volume of the trapped gas doubles. The temperature remains constant. What is the new gas pressure?

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A100 kPa

B150 kPa

C200 kPa

D400 kPa

✓ Correct answer

B: 150 kPa

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2023 Paper 1 Variant 1, question 14.

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