MCQ
The energy required to dislodge electron from excited isolated H-atom, $I{E_1} = 13.6\,\,eV$ is
  • A
    $ = \,13.6\,eV$
  • B
    $ > \,13.6\,eV$
  • C
    $ < 13.6$and$ > 3.4\,eV$
  • $ \le \,3.4\,eV$

Answer

Correct option: D.
$ \le \,3.4\,eV$
d
It’s Obvious
 

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