The half life of a radioactive nucleus is 3 hours. Its activity will be reduced to a factor of:[1]
A. \(\frac{1}{9}\)
B. \(\frac{1}{27} \)
C. \(\frac{1}{6}\)
D. \(\frac{1}{8}\)
Answer:D
The half life of a radioactive nucleus is 3 hours. Its activity will be reduced to a factor of:[1]
A. \(\frac{1}{9}\) B. \(\frac{1}{27} \) C. \(\frac{1}{6}\) D. \(\frac{1}{8}\)