

MCQOPTIONS
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1. |
The energy of electron in hydrogen atom in its grounds state is ?13.6 eV. The energy of the level corresponding to the quantum number equal to 5 is [Pb. CET 2002] |
A. | ?0.54 eV |
B. | ? 0.85 eV |
C. | ? 0.64 eV |
D. | ? 0.40 eV |
Answer» B. ? 0.85 eV | |