Q. Consider two nuclei of the same radioactive nuclide. One of the nuclei was created in a supernova explosion 5 billion years ago. The probability of decay during the next time is
A) Different for each nuclei
B) Nuclei created in explosion decays first
C) Nuclei created in the reactor decays first
D) Independent of the time of creation
Explanation
(d) Radioactive decay does not depend upon the time of creation.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.