Let ν1 be the frequency of the series limited of the Lyman series, ν2 be the frequency of the first line of the Lyman series, and ν3 be the frequency of the series limited of the Balmer series.
(A) ν1 – ν2 = ν3
(B) ν2 – ν1 = ν3
(C) ν3 = 1/2 (ν1 + ν3)
(D) ν1 + ν2 = ν3
