Which one of the following correctly gives the relation between the half-life of a…

CHEMISTRY · Single correct · US High School · Chemistry · Atomic Structure & Nuclear · Atomic Structure & Nuclear

Problem

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

T_{1/2}

of a radioactive substance and its decay constant

\lambda

? (a)

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

(b)

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

(c)

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

(d)

T_{1/2}=\lambda\,\ln 2