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2.3 Transfer of thermal energy

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Question 219

A student stands 2 m to the side of a campfire on a cold, calm night. They feel the warmth of the fire on their face almost immediately.

How is thermal energy transferred from the campfire to the student so quickly?

A

by conduction, convection and radiation

B

by conduction only

C

by convection only

D

by radiation only

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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