engineering physics MCQ #445

The ratio of the energy of the first excited state to the ground state of hydrogen atom is

engineering physics MCQ #445

  1. Question 1

    Q1. The ratio of the energy of the first excited state to the ground state of hydrogen atom is

    • A) 1/4
    • B) 1/2
    • C) 3/4
    • D) 1/9

    Answer: 1/4

    Explanation: E_1 = -13.6 eV, E_2 = -3.4 eV, so E_2 / E_1 = (-3.4) / (-13.6) = 1/4.