A sample of radioactive material A that has an activity of

Last updated: 5/30/2023

A sample of radioactive material A that has an activity of 10mCi has twice the number of nuclei as another sample of a different radioactive material B which has an activity of 20mCi The correct choice of half life of A and B would then be respectively 1 20 days and 5days 2 20 days and 10 days 3 5 days and 10 days 4 10 days and 40 days