engineering physics MCQ #592

The ratio of the energies of the 1st and 2nd orbits of hydrogen atom is

engineering physics MCQ #592

  1. Question 1

    Q1. The ratio of the energies of the 1st and 2nd orbits of hydrogen atom is

    • A) 4 : 1
    • B) 1 : 4
    • C) 1 : 1
    • D) 2 : 1

    Answer: 4 : 1

    Explanation: The energy is proportional to 1/n², so E1 : E2 = 1/1² : 1/2² = 4 : 1.