Question

Consider a radioactive material of half-life 1.0 minute. If one of the nuclei decays now, the next one will decay.

• 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

Answer 1

Answer: (D)

After any time

Answer 2

Because radioactivity is a spontaneous

phenomenon.