. The energy of hydrogen atom in ground state is 13.6 eV
The ionisation energy of singly ionised helium He2+ will be
a. 13.6 eV
b. 3.4 eV
c. 27.2 eV
d. 54.4 eV
Best Answer
Answer ||| d
Solution ||| Theenergy level of H-like atoms are given by
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