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2.3 Transfer of thermal energy

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Question 149

A student places a heated metal block suspended by an insulating thread inside a container. All the air is then evacuated from the container to create a vacuum.

Which process(es) of thermal energy transfer can still transfer heat from the hot block to the cooler walls of the container?

A

radiation only

B

conduction and convection only

C

conduction and radiation only

D

convection and 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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