mediumFPSCNTSCSSPPSCEveryday Science
Answer explanation
Explanation included
Practice quiz ready
Related Everyday Science MCQs
View allAnswer and explanation
Correct Answer: B: Electrons
Explanation: The correct answer is B: Electrons. Beta particles are fast-moving electrons (or positrons). They are emitted during radioactive decay when a neutron converts to a proton (or vice versa), releasing a high-energy electron.