JEE Advanced 2020 Full Test 2 Paper 1

© examsiri.com
Question : 36 of 54
 
Marks: +1, -0
Total energy of electron in the 1‌st ‌ orbit of hydrogen atom is 13.6 eV\/atom. Kinetic energy of electron in the 1‌st ‌ excited state of Li2+ ion in eV is:
  • Your Answer:
Go to Question: