Physics

Problem

Two radioactive samples P and Q give straight lines on a common

\ln N

–time plot with slopes

-0.030\,\text{s}^{-1}

and

-0.015\,\text{s}^{-1}

respectively. Which statement about their half-lives is correct? a) Both have the same

T_{1/2}

T_{1/2}

of P is twice that of Q c)

T_{1/2}

of Q is twice that of P d)

T_{1/2}

of Q is half that of P