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Railways R.R.C. (Chennai) Solved Paper Held on 2nd Shift 9-11-2014

  • question_answer
    The speed of light will be minimum while passing through?

    A) glass                             

    B) vacuum

    C) water                

    D) air

    Correct Answer: A

    Solution :

    The speed of light will be minimum white passing through glass because the optical density of glass is very high.


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