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GCSE Combined Science · key term
The absorption of radiation followed by the emission of light; for example, a fluorescent coating absorbs ultraviolet and emits visible light.
Used by AQA and Edexcel
Specification 6.6.2.4 · Paper 6
Revise: Applications of Electromagnetic WavesUltraviolet produced inside the lamp is absorbed by a fluorescent coating, which emits visible light. This conversion is called fluorescence.
Paper 5, Paper 6
The emission of visible light by a substance after it absorbs radiation such as ultraviolet.
Revise: Effects and uses of EM wavesSome substances absorb ultraviolet radiation and emit visible light. This is fluorescence: the substance appears to glow under ultraviolet illumination.
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