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0 votes
1 answer
59 views

Relativistic Effects on Electromagnetic Wave Propagation

So for a recent lab I had to calculate the length of a conductor by measuring the time it took a signal to reflect off of the open end. I used the very simple principle of $v=st$ and, knowing that the ...
Yasen Y.'s user avatar
21 votes
5 answers
4k views

Is the speed of light in all media independent of reference frame?

We know that, the speed of light in vacuum is independent of reference frame. I read the reason for this fact from Why and how is the speed of light in vacuum constant, i.e., independent of reference ...
Vishnu's user avatar
  • 5,306
4 votes
3 answers
5k views

How can the speed of light change in the medium when we know that it is always equal to $c$? [duplicate]

How can the speed of light change in the medium when we know that it is always equal to $c$? If we say the speed of light is changing in the medium, it will contradict the Einstein's law of special ...
Al Arsh Basheer's user avatar
1 vote
1 answer
941 views

Does the light speed change in media? [duplicate]

Does the light speed change? The Theory of Relativity says that the speed of light in vacuum is the same and unchangeable, while I read that the speed of light in glass is lower than in air, and that ...
Ahmad Taher's user avatar