Combined Science GCSE
Emission
What Emission means in Combined Science GCSE, as defined for AQA.
Definitions of Emission
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Reference: AQA
Tested by measuring the cooling of hot water or using a Leslie cube, with black matt surfaces being the best emitters and shiny silver surfaces the poorest.
Giving out of infrared by objects, with hotter objects emitting a greater intensity of infrared.
Topics that use Emission
- Properties of electromagnetic waves 1 (AQA GCSE)
- Uses and applications of electromagnetic waves (AQA GCSE)
Related terms
- Absorption
- Absorption by water molecules
- Communication technologies
- Control variables
- Diffract
- Energy transfer and absorption
- Infrared
- Infrared radiation
Using Emission in the exam
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