NEET Physics Hydrogen Atom MCQ Question
A diagram shows the energy levels of an electron in a hydrogen atom. Which of the following expressions correctly represents the total energy of the electron in the lowest energy level, according to the relation between kinetic and potential energy?
-(e^2)/(8πε₀r)
e^2/(2πε₀r)
-e^2/(4πε₀r)
e^2/(4πε₀r)
Correct Answer
Detailed Explanation
The total energy of the electron in a hydrogen atom is negative, indicating that it is bound to the nucleus, as per the expression E = -(e^2)/(8πε₀r) given in the NCERT context.
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