Consider two nuclei of the same radioactive nuclide. One of the nuclei was created in a supernova explosion ${\rm{5}}\,\,\,{\rm{billion}}\,\,{\rm{years}}$ ago. The probability of decay during the next time is

Nuclei created in explosion decays first

Nuclei created in the reactor decays first

JEE PHYSICS MCQ: NUCLEI

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Consider two nuclei of the same radioactive nuclide. One of the nuclei was created in a supernova explosion

\mathrm{5}\,\,\,\mathrm{billion}\,\,\mathrm{years}

ago. The probability of decay during the next time is

View answer and explanation

Correct option: D

Independent of the time of creation

The correct answer is D (Independent of the time of creation) because radioactive decay is a random process and depends only on the decay constant.