A) ?0.54 eV
B) ? 0.85 eV
C) ? 0.64 eV
D) ? 0.40 eV
Correct Answer: A
Solution :
Energy of ground stage \[({{E}_{0}})\] = \[-13.6eV\] and energy level = 5 \[{{E}_{5}}=\frac{-13.6}{{{n}^{2}}}eV=\frac{-13.6}{{{5}^{2}}}\] = \[\frac{-13.6}{25}=-0.54eV\].You need to login to perform this action.
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