The ratio of longest wavelength and the shortest wavelength observed in the five spectral series of emission spectrum of hydrogen is

The ratio of longest wavelength and the shortest wavelength observed in the 5 spectral series of emission spectrum of hydrogen is .......

Find the ratio of the longest wavelength to the shortest wavelength in Balmer series.

The ratio of the longest to the shortest wavelength lines in the Balmer series is

The shortest wavelength spectral line in the brackett series of the spectrum of atomic hydrogen is the transition :

The shortest wavelength spectral line in the brackett series of the spectrum of atomic hydrogen is the transition :

Find the ratio of longest wavelangth in Paschen series to shortest wavelength in Balmer series.

The wavelength of the first spectral line of the Lyman series of hydrogen spectrum is