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16 February, 15:56

The speed of light in water is 2.25 x 108 m/s. What is true about the index of refraction of water?

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  1. 16 February, 15:57
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    Light speed in water is 2.25 times 10^5 m/s so the index of refraction is higher than the index of refraction of light in a vacuum which is 1.0. (speed in vacuum for light is 300,000 km/s)

    Index of refraction of light in water is 3.0 time 10^5 m/s divided by 2.25 times 10^5 m/s = 1.33.

    Hope this is what you wanted.
  2. 16 February, 16:24
    0
    The answer is more than one.
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