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प्रश्न
The total energy of an electron in the ground state of the hydrogen atom is -13·6 eV. Its total energy, when a hydrogen atom is in the first excited state, is ______.
विकल्प
+ 13·6 eV
+ 3·4 eV
−3·4 eV
−54·4 eV
MCQ
रिक्त स्थान भरें
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उत्तर
The total energy of an electron in the ground state of the hydrogen atom is -13·6 eV. Its total energy, when a hydrogen atom is in the first excited state, is −3·4 eV.
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