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प्रश्न
Which orbit number and energy correspond to a free electron?
विकल्प
\[n=1,\quad E=-13.6\,\mathrm{eV}\]
\[n=3,\quad E=-1.51\,\mathrm{eV}\]
\[n=\infty,\quad E=0\,\mathrm{eV}\]
\[n=2,\quad E=-3.40\,\mathrm{eV}\]
MCQ
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उत्तर
When the electron is completely free from the atom, its energy is taken as zero. This corresponds to \[n=\infty\].
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