the ionisation potential of a hydrogen atom is
The ionisation potential of a hydrogen atom is -13.6 eV. What will be the energy of the atom corresponding to n= 2.
(1) -3.4 eV
(2)-6.8 eV
(3) -1.7 eV
(4)- 2.7 eV
Ans: (a)-3.4 eV
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