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Physics, 31.01.2020 12:44 jaejaeJae9534

If the speed of light in a vaccum is c, the speed of light in a medium like glass with an index of refraction of 1.5 is : (a) 3c/2 (b) 3c (c) 2c/3 (d) 9c/4 (e) 4c/9 explain in detail why it is the answer you have chosen

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