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2.3 Transfer of thermal energy

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Question 146

A designer is choosing a material for the handle of a metal cooking pot. Which option explains which material the handle should be made from so that a person holding the handle does not burn their hand?

A

Material: plastic; Explanation: it is a good thermal insulator

B

Material: plastic; Explanation: it is a good thermal conductor

C

Material: iron; Explanation: it is a good thermal insulator

D

Material: iron; Explanation: it is a good thermal conductor

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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