$v_1$ is the frequency of the series limit of the Lyman series,$v_2$ is the frequency of the first line of the Lyman series,and $v_3$ is the frequency of the series limit of the Balmer series. Then:

  • A
    $v_1 - v_2 = v_3$
  • B
    $v_1 = v_2 - v_3$
  • C
    $\frac{1}{v_2} = \frac{1}{v_1} + \frac{1}{v_3}$
  • D
    $\frac{1}{v_1} = \frac{1}{v_2} + \frac{1}{v_3}$

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