engineering physics MCQ #339

The radius of the first orbit in hydrogen-like atom is

engineering physics MCQ #339

  1. Question 1

    Q1. The radius of the first orbit in hydrogen-like atom is

    • A) 0.53 / Z Å
    • B) 0.53 Z Å
    • C) 0.53 Z² Å
    • D) 0.53 / Z² Å

    Answer: 0.53 / Z Å

    Explanation: Using Bohr's model, radius is inversely proportional to Z, hence 0.53 / Z Å.