The binding energy of an electron in the ground state of He is equal to 24.6 eV. The…
Physics · Class 12 · CBSE — Atoms
The binding energy of an electron in the ground state of He is equal to 24.6 eV. The energy required to remove both the electrons is
- 49.2 eV
- 54.4 eV
- 79 eV
- 108.8 eV
Answer
(C) 79 eV
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