NEET Physics Mathematical Tools, Units & Dimensions Question Bank Dimensions

  • question_answer
    The dimensional formula of wave number is

    A)             \[{{M}^{0}}{{L}^{0}}{{T}^{-1}}\]     

    B)             \[{{M}^{0}}{{L}^{-1}}{{T}^{0}}\]

    C)             \[{{M}^{-1}}{{L}^{-1}}{{T}^{0}}\]   

    D)             \[{{M}^{0}}{{L}^{0}}{{T}^{0}}\]

    Correct Answer: B

    Solution :

                    Wave number = \[\frac{1}{\lambda }\] \ dimension is \[[{{M}^{0}}{{L}^{-1}}{{T}^{0}}]\]


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