Is a purely white light made up of an equal amount of all wavelengths of light in the visible spectrum?
51498
Black Body Spectrum Plot
148218
How precise must the energies match for absorption of photons?
122405
Why does the refractive index depend on wavelength?
92069
How does color (or reflection in general) work?
75308
Does there exist a laser that is tunable over the whole visible spectrum?
140380
Is there a physical reason for colors to be located in a very narrow band of the EM spectrum?
142178
Is it only red, green and blue that can make up any color through additive mixture?
84971
Photoelectric effect, low frequency light
158809
What is the status of massless photons traveling through a medium?
116871
Do photons take all paths or not?
136003
Existence of monochromatic pulses?
104294
Totally white shadeless material in Cycles?
99275
Do x-rays and gamma rays also contain photons like visible light does?
119516
What is the actual mechanism behind the reflection of various colored light by material of different color?
67870
Radio antenna producing waves in the visible spectrum
106917
Do individual rays of light lose energy via the inverse square law?
60363
Photoelectric effect in a a frequency range