Physics

Problem

The mean life of nuclide P is

4\,\mu\text{s}

. Its decay constant is

60\%

greater than that of nuclide Q. What is the half-life of Q in microseconds? (Use

\ln 2 =0.693

) a)

6.4\,\mu\text{s}

2.8\,\mu\text{s}

4.4\,\mu\text{s}

2.5\,\mu\text{s}