O-LevelPhysicsThermal Physics5054/11 · May/June 2014 · Q211 Mark

A fixed mass of gas in a syringe at 0°C is heated at constant pressure. Which graph shows the variation of volume V with temperature T, measured in °C?

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AGraph showing V directly proportional to T (linear, through origin).

BGraph showing V increasing linearly with T (positive V-intercept).

CGraph showing V increasing non-linearly with T (concave up, through origin).

DGraph showing V decreasing non-linearly with T (concave down).

✓ Correct answer

B: Graph showing V increasing linearly with T (positive V-intercept).

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2014 Paper 1 Variant 1, question 21.

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