Question
$\nu_1$ is the frequency of the series limit of the Lyman series, $\nu_2$ is the frequency of the first line of the Lyman series, and $\nu_3$ is the frequency of the series limit of the Balmer series. Then...
$\nu_1$ is the frequency of the series limit of the Lyman series, $\nu_2$ is the frequency of the first line of the Lyman series, and $\nu_3$ is the frequency of the series limit of the Balmer series. Then...