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Standard X
Physics
Laws of Refraction
Question

The refractive index of a medium is ______ to the speed of light in the medium.

  1. directly proprtional
  2. inversely proportional
  3. exponentially increasing
  4. independent

A
inversely proportional
B
independent
C
directly proprtional
D
exponentially increasing
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Solution
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Correct answers is (b).

As per law of refraction the speed with which light propagates through a dielectric medium is inversely proportional to the refractive index of the medium.


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