Atoms And Nuclei Question 117
Question: Energy of the electron in nth orbit of hydrogen atom is given by . The amount of energy needed to transfer electron from first orbit to third orbit is [MH CET 2002; Kerala PMT 2002]
Options:
A) 13.6 eV
B) 3.4 eV
C) 12.09 eV
D) 1.51 eV
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Answer:
Correct Answer: C
Solution:
For
and for n = 3,
So required energy