" The no of spectral lines observed in Lyman series are 15 Then electron de excited from the orbit is "

The wavelength of spectral line in Lyman series for electron jumping back from 2nd orbit is

Number of spectral lines falling Balmer series when electrons are de - excited from n^(th) shell will be given as

Find the number of spectral lines in Paschen series emitted by atomic H, when electron is excited from ground state to 7th energy level returns back .

In the above question (Q,63) the number of spectral lines orbitals in Bohr spectrum of hydrogen atom when an electron is excited from 2nd orbit to 5th arbit,is

The number of spectral lines obtained in Bohr spectrum of hydrogen atom when an electron is excited from 5^("th") orbit to ground level is:

The number of spectral lines orbitals in Bohr spectrum of hydrogen atom when an electron is excited from ground level is 5th orbit is

Number of spectral lines in Balmer series when an electron retrurn from 7 ^(th ) orbit to 1 ^(st) orbit of hydrogen atom are

The shortest wavelength of spectral line in Lyman series is 912 Å. The shortest wavelength of the spectral line of the Paschen series is

The spectral lines corresponding to the radiatio emitted by an electron jumping from higher orbits to first orbit belong to