A) \[\lambda T={{\log }_{e}}2\]
B) \[\lambda T=1\]
C) \[\lambda =\log 2T\]
D) \[\lambda T=\frac{1}{2}\]
Correct Answer: A
Solution :
: The relation between half life (T) and decay constant \[(\lambda )\] is \[T=\frac{In\,2}{\lambda }=\frac{{{\log }_{e}}2}{\lambda }\] or \[T\lambda ={{\log }_{e}}2\]
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