Physics

Problem

Which of the following correctly gives the relation between the half-life

T_{1/2}

of a radioactive isotope and its decay constant

\lambda

? a)

T_{1/2}=\dfrac{1}{\lambda}

T_{1/2}=\dfrac{2.303}{\lambda}

T_{1/2}=\dfrac{0.693}{\lambda}

T_{1/2}=\dfrac{1.44}{\lambda}