Infrared radiation
What Infrared radiation means in Combined Science GCSE, as defined for AQA.
Definitions of Infrared radiation
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Reference: AQA
A region of the electromagnetic spectrum beyond red visible light, which all objects emit, and the amount radiated or absorbed depends on surface colour and texture.
Outgoing radiation from the Earth's surface that greenhouse gases absorb and re-emit, so less heat escapes to space.
Topics that use Infrared radiation
- Global warming (AQA GCSE)
- Properties of electromagnetic waves 1 (AQA GCSE)
Related terms
- Absorption
- Control variables
- Emission
- Global warming
- Greenhouse effect
- Greenhouse gas
- Refraction
- Direction of bending relative to the normal
Using Infrared radiation in the exam
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