A certain line of the Lyman series of hydrogen and a certain line of the Balmer series of He^(+) ion have nearly the same wavelength to what transition do they belong? Small differences between their Rydberg constant may be neglected. Differences between their Rydberg constant may be neglected.

A certain line of the Lyman series of hydrogen and a certain line of t

1.	A certain line of the Lyman series of hydrogen and a certain line of the Balmer series of He^(+) ion have nearly the same wavelength to what transition do they belong? Small differences between their Rydberg constant may be neglected. Differences between their Rydberg constant may be neglected.
Answer» ANSWER :`{:("HYDRONGEN","HELIUM"),(2to1,4to2),(3to1,6to2),(4to1,8to2):}`