question_answer

The relationship between \[\lambda \]and half life \[({{T}_{1/2}})\]of a radioactive substance is                [RPMT 1996; MP PMT 1996]

A)            \[\lambda =\frac{{{\log }_{10}}2}{{{T}_{1/2}}}\]       

B)   \[\lambda =\frac{{{\log }_{e}}2}{{{T}_{1/2}}}\]

C)            \[\lambda =\frac{{{\log }_{2}}10}{{{T}_{1/2}}}\]       

D)   \[\lambda =\frac{{{\log }_{2}}e}{{{T}_{1/2}}}\]