Calculate the wavenumber for the longest wavelength transition in the Balmer series of atomic hydrogen.

Find the shortest and longest wavelength of spectral line in the Balmer series of the hydrogen atom.

Find the longest wavelength in Paschen series

Find the shortest wavelength of the Paschen series, given that the longest wavelength of the Balmer series in the hydrogen spectrum is 6563 A^@ .

The mass of 1 atom of hydrogen is

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

The shortest wavelength of Balmer series is given by

Calculate the wavelength of the first line of Paschen series of hydrogen atom.

Calculate the momentum of electron, if their wavelength is 2overset@ A .

Calculate the wavelength of the first three lines in Paschen series of hydrogen atom.