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2.3 Transfer of thermal energy

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Question 187

An outdoor restaurant has an electric patio heater mounted high up on an overhead pergola to keep diners sitting at tables below warm.

How does thermal energy primarily reach the diners directly below the heater?

A

conduction only

B

convection only

C

radiation only

D

convection and radiation

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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