O-LevelPhysicsThermal Physics5054/12 · May/June 2016 · Q151 Mark

A slice of bread is placed under a red-hot electric grill to make toast. How does heat energy reach the bread?

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Aconduction and convection

Bconduction only

Cconvection and radiation

Dradiation only

✓ Correct answer

D: radiation only

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2016 Paper 1 Variant 2, question 15.

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