engineering physics MCQ #434

The energy required to excite an electron from the ground state to the first excited state is

engineering physics MCQ #434

  1. Question 1

    Q1. The energy required to excite an electron from the ground state to the first excited state is

    • A) 10.2 eV
    • B) 12.09 eV
    • C) 13.6 eV
    • D) 16.2 eV

    Answer: 10.2 eV

    Explanation: ΔE = E2 - E1 = (-3.4) - (-13.6) = 10.2 eV.