In hydrogen spectrum, the spectral line of Balmer series having lowest wavelength is

Obtain the ratio of the shortest wavelength of spectral line in the Lyman series to the longest wavelength of spectral line in the Balmer series.

The first member of Balmer series in hydrogen spectrum has a wavelength of 6563overset@A .What will be the wavelength of Lyman series in the same spectrum ?

In hydrogen spectrum shortest wave length for lyman series line is lamda , then find the longest wavelength of Balmer series line in He^+ ion spectrum

In hydrogen spectrum shortest wave length for lyman series line is lamda , then find the longest wavelength of Balmer series line in He^+ ion spectrum

The wavelength of first spectral line in the balmer series is 6561 angstrom. Calculate the wavelength of second spectral line in balmer series.