[60." If "9.9eV" energy is supplied to "H" atom,the no."],[" of spectral lines emitted is equal to :- "],[[" (1) "0," (2) "1," (3) "2," (4) "3]]

If 9.9 eV energy is supplied to a hydrogen atom then the number of spectral lines emitted will be

If 9.9 eV energy is supplied to a hydrogen atom then the number of spectral lines emitted will be

A spectral line is emitted when an electron

If each hydrogen atom is excited by giveng 8. 4 eV of energy , then the number fo spectral lines emeitted si equal to :

Each hydrogen atom is excited by giving 10.2eV. The maximum number of spectral lines in the emission is equal to

A hydrogen atom is excited up to 9th level. The total number of possible spectral lines emitted by the hydrogen atom is

In a mixture of He^(o+) gas H atom and He^(o+) ions Are excited to three respective first excited subsepuenly , H atom transfers its total excitation energy to He^(o+) ions by collision .Assuming that Bohr model of an atom is applicable , answer the following question If each hydrogen atom in the ground state of 1.0 mol of H atom is excited by absorbing photon of energy 8.4 eV, 12.09 eV and 15.0 eV of energy then the number of spectral lines emitted is equal to

In a mixture of He^(o+) gas H atom and He^(o+) ions Are excited to three respective first excited subsepuenly , H atom transfers its total excitation energy to He^(o+) ions by collision .Assuming that Bohr model of an atom is applicable , answer the following question If each hydrogen atom in the ground state of 1.0 mol of H atom is excited by absorbing photon of energy 8.4 eV, 12.09 eV and 15.0 eV of energy then the number of spectral lines emitted is equal to

The wave number of a spectral line of hydrogen atom is equal to 8 / 9 times the Rydberg's constant. The line is