Physics

Problem

Isotope A has a decay constant that is twice that of isotope B

(\lambda_A = 2\lambda_B)

. Which statement about their half-lives is correct? a)

T_{1/2,A}=2\,T_{1/2,B}

T_{1/2,A}=\dfrac{1}{2}\,T_{1/2,B}

T_{1/2,A}=\sqrt{2}\,T_{1/2,B}

T_{1/2,A}=T_{1/2,B}