Visible Light & UV Light
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Last updated 11:35 AM on 11/2/24
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7 Terms
1
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What is the key feature of visible light?
Eyes are able to detect wavelengths of electromagnetic radiation allowing us to see
2
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Does visible light or ultraviolet radiation have longer wavelengths?
Visible light
3
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What are the 7 colours of visible light?
Red, Orange, Yellow, Green, Blue, Indigo, Violet
4
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Give 2 uses of visible light
Cameras
Optical fibres
5
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How can ultraviolet radiation be harmful?
It can ionising atoms inside our cells, this leads to sun burn and sometimes cancer
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Give 3 uses of ultraviolet radiation
Fluorescent light
To check for invisible markings
Tanning beds to get suntan
7
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What is fluorescence?
Is when the ultraviolet light energy is absorbed then re-emitted as visible light
