engineering physics MCQ #516

The energy required to remove an electron from n = 3 is?

engineering physics MCQ #516

  1. Question 1

    Q1. The energy required to remove an electron from n = 3 is?

    • A) 1.51 eV
    • B) 3.4 eV
    • C) 0.85 eV
    • D) 1.89 eV

    Answer: 1.51 eV

    Explanation: E3 = -1.51 eV, so energy required to remove an electron is 1.51 eV.