Why is the speed of light the same for all colors in a vacuum but different depending on the color when light goes through a non-air medium?
3952
Why does the speed of the Electromagnetic wave in the material depend on the frequency of the wave where as they are constant in vacuum (freespace)?
127383
Speed of light in general relativity
34286
Intuitive explanation for why blue light is refracted more than red light?
15372
How does light know which path is fastest?
24764
Why can't light pass through walls but sound can?
116728
Why does speed of light have to be constant?
67575
Electromagnetic wave properties of light vs radio waves
31825
Why are objects at rest in motion through spacetime at the speed of light?
88401
How is the amplitude of light related to number of photons?
32832
How do electromagnetic waves travel in a vacuum?
90476
Why can light (photons) bends in a curve through space without mass?
28488
I am confused about the idea that the speed of light is independent of the speed of the source of light
158809
What is the status of massless photons traveling through a medium?
974
Speed of light in a gravitational field?
81880
How can a photon have no mass and still travel at the speed of light?
10025
Why does wavelength change as light enters a different medium?
85582
Why aren't all photons virtual particles even in the "vacuum" of empty space?