A) 1000 days
B) 300 days
C) 10 days
D) 100 days
Correct Answer: D
Solution :
\[i\] \[\text{Q}=50\text{ }cal\] or \[W=20\text{ }cal\] or \[Q=36\] Taking log on both sides \[{{\pi }^{2}}m{{a}^{2}}{{v}^{2}}\] \[\frac{1}{4}m{{a}^{2}}{{v}^{2}}\] Time = n \[\times \] half-life \[4{{\pi }^{2}}m{{a}^{2}}{{v}^{2}}\] \[2{{\pi }^{2}}m{{a}^{2}}{{v}^{2}}\] \[{{A}_{2}}+{{B}_{2}}2AB\]
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