Q. The total energy of an electron in an atom in an orbit is -3.4 eV. Its kinetic and potential energies are, respectively :
A) -3.4 eV, -3.4 eV
B) -3.4 eV, -6.8 eV
C) 3.4 eV, -6.8 eV
D) 3.4 eV, 3.4 eV
Explanation
[Solution] In Bohr's model KE = -E = 3.4 eV and PE = 2E = -6.8 eV. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.