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White light is all colours added together
We see white light when all the colours of light are added together.
![](https://cdn.figureoutphysics.com/text/158700627975Bklpewa2ACD3yLuWgXcYxE0NOSVh.png)
Here you can see a beam of white light being split up into all the colours that make it up:
![](https://cdn.figureoutphysics.com/text/1587000605q8WUk7RFYd4OVGt3nI5TK6mxBNwAoP.png)
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