Two sealed radioactive sources are labeled 200 MBq and 5 mCi

PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

Two sealed radioactive sources are labeled 200 MBq and 5 mCi, respectively. Which source initially has the higher activity? (a) Only the

5\,\text{mCi}

source has the higher activity (b) Both sources have approximately equal activity (c) Only the

200\,\text{MBq}

source has the higher activity (d) The given data are insufficient to decide