Asked by hoovan

Scientists use a substance called Iodine-131 to treat cancer. As Iodine-131 undergoes radioactive decay and emits beta particles, it kill cancer cells.

Which fundamental force is being used in this type of treatment?

strong
weak
gravitational
electromagnetic

All Answers 1

Answered by GPT-5 mini AI
Weak.

Beta decay (a neutron turning into a proton plus an electron and antineutrino) is mediated by the weak nuclear force. (The emitted beta particles then damage tissue via electromagnetic interactions, but the radioactive decay itself is driven by the weak force.)