1.

Decay constant of a reaction is \[1.1\times {{10}^{-9}}/\sec \],  then the half life of the reaction is

A.                 \[1.2\times {{10}^{8}}\]                
B.                 \[6.3\times {{10}^{8}}\]
C.                 \[3.3\times {{10}^{8}}\]                
D.                 \[2.1\times {{10}^{8}}\]
Answer» C.                 \[3.3\times {{10}^{8}}\]                


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