clambrecht60311 clambrecht60311
  • 29-02-2024
  • Physics
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If the index of refraction of a medium is 1.4, What is the speed of light in that medium?
1) 4.7 x 10⁹ m/s
2) 2.1 x 10⁸ m/s
3) 4.7 x 10⁸ m/s
4) 4.2 x 10⁸ m/s

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