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2.3 Transfer of thermal energy

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Question 24

Which statement about the methods of thermal energy transfer is correct?

A

Convection is the primary method of thermal energy transfer in solids.

B

Conduction is the only method of thermal energy transfer that can occur in a vacuum.

C

Thermal radiation can travel through a vacuum, whereas conduction and convection require a medium.

D

Radiation cannot transfer thermal energy through gases like air.

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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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