Hydrogen atom has ground state energy of

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Target Exam

CUET

Subject

Physics

Chapter

Atoms

Question:

Hydrogen atom has ground state energy of -13.6eV. What is the potential energy of atom at this state?

Options:

Zero

-13.6eV

-27.2eV

Cannot be determined from given information

Correct Answer:

-27.2eV

Explanation:

U = -Ze²/4πε₀r = 2 X total energy