A) 2, 5 days
B) 5 days
C) 10 days
D) 15 days
Correct Answer: D
Solution :
\[{{t}_{1/2}}=5\text{ }days\] \[N=\frac{{{N}_{0}}}{{{2}^{n}}}\] \[\frac{{{N}_{0}}}{8}=\frac{{{N}_{0}}}{{{2}^{n}}}\] \[n=3\] The total time\[=3\times 5=15\]daysYou need to login to perform this action.
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