AIIMS2007Physics-Atomic Physics
AIIMS 2007 Physics Energy Levels MCQ Question
Type: MCQ-numerical-Medium-Class 12
What is the energy of He⁺ electron in first orbit?
A
40.8 eV
B
-27.2 eV
C
-54.4 eV
D
-13.6 eV
Correct Answer
Option C
Detailed Explanation
For hydrogen like atoms, the energy in an nth orbit is given by En = -Z² 13.6/n² eV
Found an issue with this question?