O-LevelPhysicsThermal Physics5054/12 · May/June 2014 · Q211 Mark
The diagram shows a flask containing air. The air is trapped by a drop of oil in a narrow tube. When the flask is heated the oil drop rises up the tube. Which statement is not correct?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AThe air molecules each get larger.
BThe air molecules hit the container with greater force.
CThe air molecules move faster.
DThe air molecules move further apart.
✓ Correct answer
A: The air molecules each get larger.
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