Balmer series(巴尔末系) Wave number 1 节= 2 v=R Johann Jakob Balmer (1825- 1898)and spectra of atomic the lower spectrum shows n=3,4, Baimer lines in the ultraviolet Rg=1.096776×10m Rydberg constant Balmer series（巴尔末系） n  3,4,  Wave number 7 1 1.096776 10  RH   m Rydberg constant