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The refractive index of glass is 1.5. The speed of light in glass is

(a) 3 x 108 m/s

(b) 2 x 108 m/s

(c) 1 x 108 m/s

(d) 4 x 108 m/s

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1 Answer

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by (31.5k points)

Answer is (b) 2 x 108 m/s

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