How can the speed of light change in the medium when we know that it is always equal to $c$?
13563
What really causes light/photons to appear slower in media?
11053
Planck's Law in terms of wavelength
35663
Is there a formula that gives the position of an object depending on the time, but which doesn't allow the object to surpass the speed of light?
28488
I am confused about the idea that the speed of light is independent of the speed of the source of light
12597
Does the speed of medium affect the path of light?
8077
Photons in expanding space: how is energy conserved?
22118
If all motion is relative, how does light have a finite speed?
51802
What is the frequency of a photon?
20412
Frequency of a photon
39876
Clarification on factors of $c$ in the Lorentz' force
98593
Will speed of light in any denser medium will be same for all the inertial frame in that medium?
45953
How can I explain the scientific basis of the constant speed of light to a $c$-decay proponent?
47988
Reflection At Speed of Light
103827
Does magnetic propagation follow the speed of light?
8367
What do physicists mean when they say "speed of light"?
75580
Derivation of the speed of light using the integral forms of Maxwell's Equations
19850
Why is the speed of light defined as 299792458 m/s?