Q. Which of the following cannot be emitted by radioactive substances during their decay?
A) Protons
B) Neutrinos
C) Helium nuclei
D) Electrons
Explanation
(a) Proton cannot be emitted by radioactive substances during their decay.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.