One mole of `He^(o+)` ions is excited. An anaylsis showed that `50%` of ions are in the third energy level `25%` are in the second energy level and the remaining are in the first energy level. Calculate the energy emitted in kilojoules when all the ions return to the ground state.

One mole of He^(o+) ions is excited .An anaylsis showed that 50% of ions are in the third energy level 25% are in the second energy level and the remalining ary in the first energy level .Calculate the energy emitted in kilojoules when all the ions return to the ground state

1 mol of He^(+) ion is excited. Spectral analysis showed existence of 50% ions in 3rd level, 25% in 2nd level and remaining 25% in ground state. Ionization energy of He^(+) is 54.4 eV , calculate total energy evolved when all the ions retirn ground state.

1 mol of He^(+) ion is excited. Spectral analysis showed existence of 50% ions in 3rd level, 25% in 2nd level and remaining 25% in ground state. Ionization energy of He^(+) is 54.4 eV , calculate total energy evolved when all the ions retirn ground state.

An electron jump from the fourth energy level to the first energy are emitted ?

An electron jump from the fourth energy level to the first energy are emitted ?

1.8 g hydrogen atoms are excited to radiation .The study of spectra indicate that 27% of the atom are in third energy level and 15 % of atom in second energy level and the rest in ground state. IP of H is 13.6 eV . Calculate a. Number of atom present in first and third energy levels b. Total energy envolved when all the atom return to the ground state

1.8 g hydrogen atomic are excited to radiation .The stady of specits indicate that 27% of the atom are is third energy level and 15 % of atom in second energy level and the rest is ground state IP of H is 13.6 eV calculate a. Number of atom present in first and third energy levels b. Total energy envolved when all the atom return to the ground state

2g of Hydrogen atoms are excited to radiation. The study of spectra indicated 25% of atoms are in III^(rd) energy level and 20% atoms in II^(nd) energy level and rest in ground state. Calculate the total energy evolved when atoms return to ground state.

2g of Hydrogen atoms are excited to radiation. The study of spectra indicated 25% of atoms are in III^(rd) energy level and 20% atoms in II^(nd) energy level and rest in ground state. Calculate the total energy evolved when atoms return to ground state.

1.8 gm of H-atom sample is excited by radiations. The study of spectra indicates that 27% of the atoms are in 3rd energy level, 15% of atoms in 2nd energy level and test in ground state