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Team MCQ Buddy • 20.45K Points
Instructor III Physics 

Q. What is refractive index ?

  • (A) It is defined as the ratio of speed of light in the medium to the speed of light in vacuum.
  • (B) It is defined as the product of speed of light in medium and in vacuum.
  • (C) It is defined as the ratio of speed of light in vacuum to the speed of light in the medium.
  • (D) None of above
  • Correct Answer - Option(C)
  • Views: 29
  • Filed under category Physics
Explanation by: Team MCQ Buddy 
The ratio of the velocity of light in a vacuum to its velocity in a specified medium.

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