engineering physics MCQ #450

The ionization energy of hydrogen atom is 13.6 eV. The energy required to excite an electron from n = 1 to n = 3 is

engineering physics MCQ #450

  1. Question 1

    Q1. The ionization energy of hydrogen atom is 13.6 eV. The energy required to excite an electron from n = 1 to n = 3 is

    • A) 12.09 eV
    • B) 1.51 eV
    • C) 10.2 eV
    • D) 3.4 eV

    Answer: 12.09 eV

    Explanation: The energy required to excite from n = 1 to n = 3 is 12.09 eV.