Physics for IGCSE & O level - Atoms And Radioactivity (Section 7 - No. 27)
What is a chain reaction?
A reaction that stops after a few steps.
A self-sustaining reaction that does not involve neutrons.
A self-sustaining reaction that involves neutrons.
A reaction that needs external energy to continue.
Explanation
A chain reaction is a self-sustaining reaction that involves neutrons.
Comments (0)
