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

Explain the origin of spectral lines in the case of hydrogen atom

Obtain expression for longest and shortest wavelength of spectral lines in ultraviolent region for hydrgen atom.

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

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

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

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

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

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

Find the longest wavelength in Paschen series