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Karan Gujral
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Asked: 2021-12-06T10:17:10+00:00 In:

Speed of light in vacuum is 3 x 10⁸ m/s. Then speed of light in glass (refractive index 1.5) will be:

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Poll Results

0%[A] 4.5 x 10⁸ m/s
0%[B] 2.0 x 10⁶ m/s
0%[C] 3.0 x 10⁶ m/s
100%[D] 2.0 x 10⁸ m/s ( 2 voters )
Based On 2 Votes

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    1. Best Answer

      [D] 2.0 x 10⁸ m/s
      v = c/µ = 3 x 10⁸/1.5 = 2.0 x 10⁸ m/s.
      Here, correct option will be [D].

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