engineering physics MCQ #314

The minimum energy required to excite a hydrogen atom from its ground state is

engineering physics MCQ #314

  1. Question 1

    Q1. The minimum energy required to excite a hydrogen atom from its ground state is

    • A) 10.2 eV
    • B) 12.09 eV
    • C) 13.6 eV
    • D) 12.75 eV

    Answer: 10.2 eV

    Explanation: Minimum energy required is to excite it to n = 2, hence ΔE = E2 - E1 = 10.2 eV.