Do individual photons of light each contain all the colors of the light spectrum or is each single photon a single color?

Question

Do individual photons of light each contain all the colors of the light spectrum or is each single photon a single color?

In: 95

Answer 1

Phosphorescence is the same thing as fluorescence, except the pigments hold onto the energy for a little while and emit visible photons slowly over time, so the pigments glow in the dark.