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NEET 2008 (AIPMT) · Energy of the Electron & Energy Levels

Energy of the Electron & Energy Levels question from NEET 2008 (AIPMT)

Q49NEET 2008 · AIPMTEasy

Energy of the Electron & Energy Levels

The ground state energy of hydrogen atom is $-$ 13.6 eV. When its electron is in the first excited state, its excitation energy is

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Answer: (a)

First excited state is $n = 2$ : $E_2 = -3.4$ eV.
Excitation energy $= E_2 - E_1 = -3.4 - (-13.6) = 10.2$ eV
So the answer is (a) $10.2$ eV.

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