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The index of refraction of a certain glass is measured to be 1.5. what is the speed of light in that glass? (c = 3.0 × 108 m/s)
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The index of refraction of a certain glass is measured to be 1.5. what is the speed of light in that glass? (c = 3.0 × 108 m/s)

User Aaronb
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1.5=3.0multiple 108/speed of light
I don't know that's right or not but i think it's right...
User Jeremy Fuller
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