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2.3 Transfer of thermal energy

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Question 197

A person holds an empty ceramic mug and pours hot coffee into it. Why does it take several seconds before their hand starts to feel the warmth of the coffee?

A

Ceramic is a poor thermal conductor.

B

Coffee is a poor thermal conductor.

C

Ceramic is a better thermal conductor than coffee.

D

Coffee is a better thermal conductor than ceramic.

Markscheme

2.3 Transfer of thermal energy Questions

  1. IGCSE
  2. /Physics
  3. /2.3 Transfer of thermal energy

301 exam-style questions on CIE IGCSE Physics 2.3 Transfer of thermal energy, covering 2.3.1a Thermal conductors and thermal insulators, 2.3.1b Explaining thermal conduction, 2.3.2 Convection, 2.3.3a Thermal radiation, 2.3.3b Surface colour and texture, 2.3.3c Rate of emission and absorption of radiation, and 2.3.4 Consequences of thermal energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.

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