8 x 10^-7 meters; Red around7.8x 10^-7 meters. All the rest fall in between the limits I showed you. Thats all!#2 Your dont really have prism eyes, even though Ur lense (any lense) is a modified prism.......
In short, the different wavelengths of color are detected by cone cells on the retina and are relayed to the optic center of the brain where they are interpreted.
No. It is because our eyes are able see the wavelengths of visible light which includes the colors Red, Orange, Yellow, Green, Blue, Indigo. And yes the colors that we see are the colors reflected.
color is simply light which bounces of objects but it bounces differently of each object that's why there are different colors. There is no way of describing a color.