O-LevelPhysicsThermal Physics5054/12 · Oct/Nov 2023 · Q231 Mark

A metal kettle is heated on a grid above red-hot glowing coal. What are the main thermal energy transfers through the bottom of the kettle and within the water?

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Aconduction conduction

Bradiation convection

Cconduction convection

Dradiation conduction

✓ Correct answer

C: conduction convection

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2023 Paper 1 Variant 2, question 23.

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