Nuclear Physics And Radioactivity Question 314
Question: If the radioactive decay constant of radium is $ 1.07\times {{10}^{-4}} $ per year, then its half life period is approximately equal to [AIIMS 1998]
Options:
A) 8,900 years
B) 7,000 years
C) 6,476 years
D) 2,520 years
Show Answer
Answer:
Correct Answer: C
Solution:
Half-life $ {T_{1/2}}=\frac{0.693}{\lambda }=\frac{0.693}{1.07\times {{10}^{-4}}}=6476\ years $
BETA
