engineering physics MCQ #567

The ratio of the energies of the first three orbits of hydrogen atom is

engineering physics MCQ #567

  1. Question 1

    Q1. The ratio of the energies of the first three orbits of hydrogen atom is

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

    Answer: 1 : 1/4 : 1/9

    Explanation: Using En = -13.6 / n², ratio of E1, E2, E3 is 1 : 1/4 : 1/9.