The ratio of highest possible wavelength to lowest possible wavelength of Lyman series in hydrogen line emission spectrum is

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Detailed Solution

$\frac{1}{λ_{1}} = R [\frac{1}{1} - \frac{1}{\infty}] = R$
$\frac{1}{λ_{2}} = R [\frac{1}{1} - \frac{1}{4}] = \frac{3 R}{4}$
$\frac{λ_{1}}{λ_{2}} = \frac{4}{3}$

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