Atoms And Nuclei Question 265
Question: The energy of in the ground state is -54.4 eV, then the energy of in the first excited state will be
Options:
A) -30.6 eV
B) 27.2 eV
C) -13.6 eV
D) - 27.2 eV
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Answer:
Correct Answer: A
Solution:
-
Energy of electron in nth orbit is
For
is ground state
For in first excited state (n=2)