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30 October, 16:37
How does the average speed of light in glass?
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Mateo Clark
30 October, 16:46
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200,000 km per second glass has a refraction index of 1.5
water has a refraction index of 1.3 and slows the speed of light to 225,000 km per second
vacuum has refraction index of 1.0 and the speed of light moves the fastest in this at 300,000 km per second
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