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3
questions
2
votes
3
answers
401
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Why does frequency remain the same when waves travel from one medium to another? [duplicate]
I was reading about reflection and refraction on BBC Bitesize and I can't understand why frequency is a constant in the wave speed equation. I can't visualise the idea of it. I know that wave speed ...
6
votes
3
answers
903
views
What is the speed of a photon in water?
What is the speed of light in water? The speed of light in vacuum, divided by the index of refraction for water. And what is the speed of a photon in water?
0
votes
1
answer
1k
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Maximum speed in water
Is there a limit of maximum speed in water? Is it a finite value or the speed in water can take any possible value?
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