Physics-Hydrogen Atom
NEET Physics Hydrogen Atom MCQ Question
Type: MCQ-numerical-Hard-Class 12
What is the energy difference between the ground state and the first excited state of a hydrogen atom?
A
10.2 eV
B
13.6 eV
C
4 eV
D
5 eV
Correct Answer
Option A
Detailed Explanation
The energy of the ground state (n=1) is -13.6 eV and for the first excited state (n=2) is -3.4 eV. The difference is 13.6 - 3.4 = 10.2 eV.
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