JEE Main & Advanced Physics Mathematical Tools, Units & Dimensions Question Bank Self Evaluation Test - Physical World, Units and Measurements

  • question_answer
    Dimensionally wavelength is equivalent to

    A) \[\frac{E\sqrt{LC}}{B}\]

    B)  \[\frac{E}{B\sqrt{LC}}\]

    C)  \[\frac{B\sqrt{LC}}{E}\]

    D)  \[\frac{B}{E\sqrt{LC}}\]

    Correct Answer: A

    Solution :

    [a] \[\frac{E}{B}\]= velocity = m / s and \[\sqrt{LC}\]= time period \[=s\] \[\therefore \,\,\,\frac{E\sqrt{LC}}{B}=m\]=wavelength


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