When deuterium and tritium nuclei fuse to produce helium, what else is produced? (a) positron
(b) proton
(c) $\alpha$-particle- neutron

Video Transcript

This is College Physics Answers with Shaun Dychko. When deuterium and tritium fuse to produce helium, helium has four sub-atomic particles but there are a total of five nucleons involved in the reaction so that means there must be one more nucleon as a product and that is a neutron. The answer is (d).