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?
Related Questions
More from Atomic Physics
More from 2007
CH₃OC₂H₅ and (CH₃)₃C – OCH₃ are treated with concentrated acidic iodide. The fragments after reactions obtained are
Organic ChemistryChemistry
Which of the following is an eye disease?
Human Health and DiseaseZoology
Which one of the following is a fat-soluble vitamin and its related deficiency disease?
NutritionZoology