All Questions
4
questions
-1
votes
2
answers
243
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Is the speed of light in is uniform non-vacuum medium constant for all observers? [duplicate]
I am running at $5 \text{ ms}^{-1}$ and holding a torch pointing in the direction of motion. This torch has a large block of glass attached to the end. Would a stationary observer see the light as ...
8
votes
2
answers
718
views
Special Relativity, refractive index and catching up with a wave
Einstein was partially motivated by the following: With Maxwell's equations, a plane wave is a sinusoidal wave that varies in space in time and moving with speed $c$. These variations are linked by ...
- 3,856
2
votes
2
answers
767
views
Special Relativity in water
If there are 2 observers in water moving relative to each other as well as to water, they measure different speeds of light. So does time dilation occur for them? (since Time dilation is based on ...
2
votes
1
answer
991
views
What happens to speed and frequency of a light beam moving in transparent medium when observed from different inertial frame of reference?
Suppose a transparent medium where speed of light is $c/n$, an inertial frame of reference $K$ which is stationary relatively to the medium and an inertial frame of reference $K'$ which is moving ...
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