Find the ratio of wavelengths of first line of Lyman series and second line of Balmer series

Ratio of the wavelength of first line of Lyman series and first line of Balmer series is

Ratio of the wavelength of first line of Lyaman series and first line of Balmer series is

Ratio of the wavelengths of first line of Lyman series and first line of Balmer series is 5 : X then find X.

Ratio of the wavelengths of first line of Lyman series and first line of Balmer series is 5 : X then find X.

Ratio of the wavelengths of first line of Lyman series and first line of Balmer series is 5 : X then find X.

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

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

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