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प्रश्न
How much energy is required to raise a hydrogen atom from the ground state to the first excited state?
पर्याय
\[E_{2}-E_{1}=12.09\,\mathrm{eV}\]
\[E_{2}-E_{1}=3.40\,\mathrm{eV}\]
\[E_{2}-E_{1}=10.2\,\mathrm{eV}\]
\[E_{2}-E_{1}=13.6\,\mathrm{eV}\]
MCQ
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उत्तर
The first excited state is the second orbit. The required energy is \[E_{2}-E_{1}=(-3.40)-(-13.6)=10.2\,\mathrm{eV}\].
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