engineering physics MCQ #309

The ionization energy of hydrogen atom is

engineering physics MCQ #309

  1. Question 1

    Q1. The ionization energy of hydrogen atom is

    • A) 13.6 eV
    • B) -13.6 eV
    • C) 10.2 eV
    • D) -10.2 eV

    Answer: 13.6 eV

    Explanation: Ionization energy is the energy required to remove an electron, given by E = -E1 = 13.6 eV.