letaijasimplyy4274 letaijasimplyy4274

14-02-2024
Physics

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The energy of a hydrogen atom in the ground state is –13.6 eV. The energy of He+ ion in the first excited state will be
A. −13.6 eV
B. −27.2 eV
C. −54.4 eV
D. −6.8 eV

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