MDCAT Physics MCQ #2839

In a nuclear fusion reaction, two deuterium nuclei combine to form a helium nucleus. What is the resulting nucleus?

MDCAT Physics MCQ #2839

  1. Question 1

    Q1. In a nuclear fusion reaction, two deuterium nuclei combine to form a helium nucleus. What is the resulting nucleus?

    • A) Helium-4
    • B) Helium-3
    • C) Tritium
    • D) Helium-2

    Answer: Helium-4

    Explanation: Deuterium-deuterium fusion produces Helium-3 and a neutron, or Helium-4 and a gamma ray (less common). Most stable result is Helium-4 (after including the other products).