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2.3 Transfer of thermal energy

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Question 209

Four identical metal plates, each painted with a different surface finish, are placed at equal distances from a powerful infrared lamp.

Which plate shows the fastest rate of temperature increase when the lamp is switched on?

A

matt black

B

matt white

C

shiny black

D

shiny silver

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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