J & K CET Engineering J and K - CET Engineering Solved Paper-2014

  • question_answer
    Which of the following is a dimension less quantity?

    A)  Magnetic flux density

    B)  Electric flux density

    C)  Lumen flux density

    D)  Optical density

    Correct Answer: D

    Solution :

    Optical density is represented by refractive index of the medium and it is a dimension less quantity.              


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