MDCAT Physics MCQ #285

The ionization potential of hydrogen is 13.6 V. What is the energy required to remove an electron from the first excited state?

MDCAT Physics MCQ #285

  1. Question 1

    Q1. The ionization potential of hydrogen is 13.6 V. What is the energy required to remove an electron from the first excited state?

    • A) 3.4 eV
    • B) 6.8 eV
    • C) 10.2 eV
    • D) 13.6 eV

    Answer: 3.4 eV

    Explanation: Energy required to remove an electron from n = 2 is 3.4 eV; option B is for n = √2.