Eli5 : is the order of the colors in a real rainbow always the same? and why , whichever it is?

Question

Eli5 : is the order of the colors in a real rainbow always the same? and why , whichever it is?

In: 4

Answer 1

Yes, always. Because the frequency of the light is what determines what color it is, and it’s the light that’s getting separated into its component wavelengths. Each wavelengths “bends” a little more than the one before it (gets diffracted)