O-LevelPhysicsThermal PhysicsOct/Nov 2024Paper 1 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?
A0.69 × 10⁵ N/m²
B0.83 × 10⁵ N/m²
C1.2 × 10⁵ N/m²
D1.4 × 10⁵ N/m²
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The correct answer is C. This question tests the candidate's understanding of thermal physics within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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