What is the ratio of the wave lengths of last lines of Balmer and Lyman series

What is the ratio of wavelength of ii line of balmer series and i line of Lyman series ?

What is the ratio of wavelength of (II) line of Balmer series and (I) line of Lyman series ?

The ratio of wavelength of 1st line of Balmer series and 2nd line of Lyman series is :

The ratio of the wavelength of the last line of Balmer series and the last line of Lyman series is :

What is the ratio of wavelength of (II) line fo Balmer series and (I) line fo Lyman seies ?

Calculate the ratio of the frequencies of the long wavelength limits of the Balmer and Lyman series of hydrogen.

The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is :-

The ratio of the wave lengths of the first line in the Lyman series of the spectrum of Hydrogen atom and the first line in the Balmer series of the spectrum of He^(+) is