Ratio of wavelength of series limit of Balmer and Pascher series for an atom is

Engineering

Chemistry

Hydrogen Spectrum

Question

4/9

2/9

9/4

3/2

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$\frac{1}{λ_{\infty \to 2}} = R [\frac{1}{4} - \frac{1}{\infty}]$ .........(i)

and $\frac{1}{λ_{\infty \to 3}} = R [\frac{1}{9} - \frac{1}{\infty}]$ .........(ii)

eg. (ii) and (i)

$\frac{λ_{\infty \to 2}}{λ_{\infty \to 3}} = \frac{\frac{1}{9}}{\frac{1}{4}} = \frac{4}{9}$