1.

The half-life of \[_{6}{{C}^{14}}\] if its K or \[\lambda \] is \[2.31\times {{10}^{-4}}\] is [BHU 1999]

A.                 \[2\times {{10}^{2}}yrs\]             
B.                 \[3\times {{10}^{3}}yrs\]
C.                 \[3.5\times {{10}^{4}}yrs\]          
D.                 \[4\times {{10}^{3}}yrs\]
Answer» C.                 \[3.5\times {{10}^{4}}yrs\]          


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