Physics
General
Easy

Question

Light travels through a glass plate of thickness t and having refractive index n. If C be the velocty of Light in vacuum. What is the time taken by the light of travel this thickness of glass?

  1. t subscript C over n
  2. tn C
  3. fraction numerator n t over denominator C end fraction
  4. fraction numerator t over denominator n C end fraction

The correct answer is: fraction numerator n t over denominator C end fraction

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