Lag1989 task №24.33

Find: a) the shortest and longest wavelengths of the spectral lines of hydrogen in the visible region of the spectrum (Balmer series); b) the shortest and longest wavelengths of the spectral lines of hydrogen in the ultraviolet region of the spectrum (Lyman series); c) the shortest and longest wavelengths of the spectral lines of hydrogen of the Paschen series in the infrared region of the spectrum.