O-LevelPhysicsThermal PhysicsOct/Nov 2024Paper 1 Q231 Mark
Thermal energy is supplied at a constant rate to a fixed mass of a substance that is initially solid. The graph shows how the temperature of the fixed mass of the substance varies with time. [Figure showing temperature vs time graph with segments W (rising temp), X (constant temp), Y (rising temp), Z (constant temp), then rising temp again]. In which sections of the graph does the substance absorb latent heat?
AW and X
BW and Y
CX and Z
DY and Z
✓ Correct Answer
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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