Nuclear Physics And Radioactivity Question 287

Question: Consider a radioactive material of half-life 1.0 minute. If one of the nuclei decays now, the next one will decay [MNR 1994]

Options:

A) After 1 minute

B) After $ \frac{1}{{\log_{e}}2} $ minute

C) After $ \frac{1}{N} $ minute, where N is the number of nuclei present at that moment

D) After any time

Show Answer

Answer:

Correct Answer: D

Solution:

Because radioactivity is a spontaneous phenomenon.