Noun
a wave number characteristic of the wave spectrum of each element
Source: WordNetIt is related to the Rydberg constant of atomic physics by The exact value of the Rydberg constant assumes that the nucleus is infinitely massive with respect to the electron. Source: Internet
Johannes Rydberg (1854-1919) was a renowned physicist famous for the Rydberg formula and the Rydberg constant. Source: Internet
The formulas below are valid for all three isotopes of hydrogen, but slightly different values of the Rydberg constant (correction formula given below) must be used for each hydrogen isotope. Source: Internet