Q. Tritium, a radioactive isotope of hydrogen, emits which of the following particles.
A) Alpha ($\alpha$)
B) Gamma ($\gamma$)
C) Neutron (n)
D) Beta ($\beta^-$)
Explanation
[Solution] Tritium undergoes $\beta^-$ decay: $^3_1H \rightarrow ^3_2He + \beta^-$. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.