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Question

What is the energy required to move the electron from the ground state of H atom to the first excited state? Given that the ground state energy of H atom is 13.6 eV and that the energy En of an electron in nth orbital of an atom or ion of atomic number Z is, given by the equation En=(13.6Z2/n2)

A
13.6 eV
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B
3.4 eV
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C
10.2 eV
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D
-10.2 eV
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