Atomic Structure Question 395
Question: In a hydrogen atom, if energy of an electron in ground state is 13.6. ev, then that in the 2nd excited state is
Options:
A) $ 1.51eV $
B) $ 3.4,eV $
C) $ 6.04,eV $
D) $ 13.6eV $
Show Answer
Answer:
Correct Answer: A
Solution:
- 2nd excited state will be the 3rd energy level. $ E_{n}=\frac{13.6}{n^{2}}eV,or,E=\frac{13.6}{9}eV=1.51,eV. $
