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A gas of identical hydrogen-like atoms has some atoms in the lowest (ground) energy level A and some atoms in a particular upper (excited) energy level B and there are no atoms in any other energy level. The atoms of the gas make transition to a higher energy level by absorbing monochromatic light of pho- ton energy 2-7 eV. the atoms emit radiation of only six different photon energies. Some of the emitted photons have energy 2.7 eV, some have energy more and some have less than 27 eV. (i) Find the principal quantum number of the initially excited level B. (ii) Find the ionization energy for the gas atoms. (iii) Find the maximum and the minimum energies of the emitted photons. Subsequently,

A gas of identical hydrogen-like atoms has some atoms in the lowest (ground) energy level A and some atoms in a particular upper (excited) energy level B and there are no atoms in any other energy level. The atoms of the gas make transition to a higher energy level by absorbing monochromatic light of pho- ton energy 2-7 eV. the atoms emit radiation of only six different photon energies. Some of the emitted photons have energy 2.7 eV, some have energy more and some have less than 27 eV. (i) Find the principal quantum number of the initially excited level B. (ii) Find the ionization energy for the gas atoms. (iii) Find the maximum and the minimum energies of the emitted photons. Subsequently,

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A gas of identical hydrogen-like atoms has some atoms in the lowest (ground) energy level A and some atoms in a particular upper (excited) energy level B and there are no atoms in any other energy level. The atoms of the gas make transition to a higher energy level by absorbing monochromatic light of pho- ton energy 2.7 eV. Subsequently, the atoms emit radiation of only six different photon energies. Some of the emitted photons have energy 2.7 eV, some have energy more and some have less than 27 eV. (i) Find the principal quantum number of the initially excited level B. (ii) Find the ionization energy for the gas atoms. (iii) Find the maximum and the minimum energies of the emitted photons. "
Transcribed Image Text:A gas of identical hydrogen-like atoms has some atoms in the lowest (ground) energy level A and some atoms in a particular upper (excited) energy level B and there are no atoms in any other energy level. The atoms of the gas make transition to a higher energy level by absorbing monochromatic light of pho- ton energy 2.7 eV. Subsequently, the atoms emit radiation of only six different photon energies. Some of the emitted photons have energy 2.7 eV, some have energy more and some have less than 27 eV. (i) Find the principal quantum number of the initially excited level B. (ii) Find the ionization energy for the gas atoms. (iii) Find the maximum and the minimum energies of the emitted photons. "
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