3 ms·
IS this what is meant when people say the speed of light in x or y material is less than in a vacuum?
by TrevorJ 11y ago
IS this what is meant when people say the speed of light in x or y material is less than in a vacuum?
- danbruc 11y agoYes, due to the interaction of the photon with the atoms of the material the photon takes longer to move through certain distance of a material than through the same distance in vacuum.