How do Red, Green and Blue light combine into White light without needing the rest of the Visual Spectrum?

Question

As well, does combining Cyan, Magenta and Yellow light give you White light?

In: Physics

Answer 1

They are primary colors, which means that all the other colors are made of various mixtures of red, green, and blue. So you don’t need the rest of the spectrum since it’s made of those 3 colors in various combinations