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2.3 Transfer of thermal energy

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Question 72

In which of the following situations is convection the main method by which thermal energy is transferred?

A

Thermal energy traveling from a metal spoon to a person's hand.

B

Warm air rising and circulating throughout a room above a radiator.

C

Solar energy traveling through the vacuum of space to a spacecraft.

D

Infrared radiation being emitted by a hot iron plate.

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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