Physics · Oct / Nov 2023 · Paper 12 · Question 23
5054Conduction
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?
- Athrough kettle: conduction; within water: conduction
- Bthrough kettle: radiation; within water: convection
- Cthrough kettle: conduction; within water: convection
- Dthrough kettle: radiation; within water: conduction
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Correct answer: C. through kettle: conduction; within water: convection
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