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2.3 Transfer of thermal energy

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Question 57

A student suggests some uses for materials that are good thermal conductors and for materials that are good thermal insulators.

In which row are both suggested uses correct?

A

Good thermal conductor: keeping a cold drink cool on a hot day; Good thermal insulator: transferring heat quickly to boil water

B

Good thermal conductor: making the handle of a metal cooking pot; Good thermal insulator: making a cooler box to keep items cold

C

Good thermal conductor: making the base of a frying pan; Good thermal insulator: making cooling fins for refrigeration

D

Good thermal conductor: transferring thermal energy away from a computer CPU; Good thermal insulator: keeping a hot drink at a high temperature

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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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