For any given series of spectral lines of atomic hydrogen,

Question:

For any given series of spectral lines of atomic hydrogen, let $\Delta \bar{v}=\bar{v}_{\max }-\bar{v}_{\min }$ be the difference in maximum and minimum frequencies in $\mathrm{cm}^{-1}$. The ratio $\Delta \bar{v}_{\text {Lyman }} / \Delta \bar{v}_{\text {Balmer }}$ is :

  1. $27: 5$

  2. $4: 1$

  3. $5: 4$

  4. $9: 4$


Correct Option: , 4

Solution:

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