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Emission and Absorption Spectra

The number of...

Question

The number of lines of atomic hydrogen spectrum fall within the wavelength range from $94.5$ to $130.0 n m$ is:

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Solution

The lines of atomic hydrogen spectrum with wavelengths $97.3, 102.6, 121.6$ nm fall within the wavelength range from $94.5$ to $130.0 n m$ .
The given series seems to be Lyman series.
$n_{1} = 1,$ Find $λ$ for $n_{2} = 2, 3, 4........$

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