Nuclear Physics And Radioactivity Question 286
Question: The decay constant of a radioactive element is 0.01 per second. Its half-life period is [DPMT 2001]
Options:
A) 693 sec
B) 6.93 sec
C) 0.693 sec
D) 69.3 sec
Show Answer
Answer:
Correct Answer: D
Solution:
$ {t_{1/2}}=\frac{0.6931}{0.01}=69.31 $ seconds.
BETA
