2. Solved Papers
  3. Punjab Medical

Punjab Medical Punjab - MET Solved Paper-2009

  • question_answer
    Number of spectral lines of Lyman series of electron when it jumps from 6 to first level (in Lyman series), is

    A)  9                                            

    B)  12

    C)  15                                         

    D)  18

    Correct Answer: C

    Solution :

    Number of spectral lines\[=\frac{n(n-1)}{2}\]                                                 \[=\frac{6(6-1)}{2}\]


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