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O-LevelPhysicsThermal Physics5054/12 · Oct/Nov 2020 · Q171 Mark

The diagram shows a glass tube filled with water and suspended above a bench. The water is free to circulate around the tube. At point P, there is a convection current moving in a downwards direction. At which point is the tube heated to cause this convection current?

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A: A

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About this question

Topic
Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2020 Paper 1 Variant 2, question 17.

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