Find the speed of light in glass ?

I f  speed of light in air is 3 x 108 m/s, the speed of light in glass (with refractive index 1.5) would be

  1. 2 x 108 m/s
  2. 5 x 108 m/s
  3. 3 x 108 m/s
  4. 5 x 108 m/s
Anurag Mishra Professor Asked on 13th January 2016 in Maths.
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  • 1 Answer(s)

    Answer: (1) 2 x 10^8 

    Anurag Mishra Professor Answered on 11th April 2016.
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