ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!

    Question

    What is the unit of the refractive

    index?
    A Metre per second Correct Answer Incorrect Answer
    B Radian Correct Answer Incorrect Answer
    C Ohm Correct Answer Incorrect Answer
    D None of the above Correct Answer Incorrect Answer

    Solution

    The refractive index is a dimensionless quantity that measures how much light bends when it passes from one medium to another. Since it is a ratio of speeds, it has no units.

    Practice Next
    More Physics GS Questions

    Relevant for Exams:

    ask-question