Nuclear Physics And Radioactivity Question 261
Question: The half-life period of radium is 1600 years. Its average life time will be [MP PET/PMT 1988]
Options:
A) 3200 years
B) 4800 years
C) 2319 years
D) 4217 years
Show Answer
Answer:
Correct Answer: C
Solution:
Average life $ \frac{1}{\lambda }=\frac{1600}{0.693}=2308\approx 2319 $ years.