A) 256 year
B) 128 year
C) 64 year
D) 24 year
Correct Answer: D
Solution :
\[\frac{A}{{{A}_{0}}}={{\left( \frac{1}{2} \right)}^{t/{{T}_{1/2}}}}\]Þ \[\frac{1}{8}={{\left( \frac{1}{2} \right)}^{t/8}}\] Þ \[t=24\,years.\]You need to login to perform this action.
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