Example Sentences

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For the Lyman series, nf = 1 ; for the Balmer series, nf = 2 ; for the Paschen series, nf = 3 ; and so on.

From Textbooks • Aug. 12, 2015

Balmer first devised the formula for his series alone, and it was later found to describe all the other series by using different values of nf .

From Textbooks • Aug. 12, 2015

A downward transition releases energy, and so ni must be greater than nf .

From Textbooks • Aug. 12, 2015

By getting out nf hours before 1941's end, the Kearneys pay only 1941 tax rates on the huge sale.

From Time Magazine Archive

With his neighboures he wyll go to lawe And a wreke his malyce for valew of ſtrawe welth is fykle and out nf awe 150 wylfull in wronge or ryght Welth.

From The Interlude of Wealth and Health by Simpson, Percy