A) \[T\lambda =1\]
B) \[T=\frac{0.693}{\lambda }\]
C) \[\frac{T}{\lambda }=1\]
D) \[{{\lambda }_{1}},\ {{\lambda }_{2}},\ {{\lambda }_{3}}\]
Correct Answer: A
Solution :
Average life \[T=\frac{\text{Sum of all lives of all the atom}}{\text{Total number of atoms }}=\frac{1}{\lambda }\] Þ Tl = 1
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