I has a half-life of

PHYSICS · Single correct · CBSE · Physics · Nuclei · Nuclei

Problem

^{131}

8.0\,\text{days}

. A consignment must have an activity of

500\,\text{MBq}

on arrival at a hospital

4.0\,\text{days}

after dispatch. What activity (in MBq) should the dispatch batch have? (a)

1000

(b)

710

(c)

354

(d)

667