Light Glass
How do you find the speed of light in glass in m/s & km/s?
How to find speed of light in glass in m/s and km/s when:
Angle i (o): 30 degrees
Angle r (o): 20 degrees
Sin i: 0.5
Sin r: 0.34
Index of refraction (n): 1.47
The only thing you need is the index of refraction.
To get the apparent speed of light in a medium of index of refraction (n), divide the speed of light (c = 300 million m/s) by n.
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