|Nov29-07, 09:52 AM||#1|
Light through a medium
I understand that the speed of light in different mediums (like water) is slower than that of light in a vaccume. I've also read about some expiriments done in which light had been slowed down to a quite imaginable speed, like 70 Km/h. What causes light to slow down in such instances? Is it just bouncing around a lot, or do the photons actually change speed? If the photons chance speed, WHY?!
|Nov29-07, 10:03 AM||#2|
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You may want to start by reading an entry in the FAQ in the General Physics forum.
|Nov29-07, 12:00 PM||#3|
Ah! Sorry, I'll check that first next time.
Thank you for your help.
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