Jee Main
Atoms And Nuclei
JEE Main 2022 (Online) 29th June Morning Shift
MCQ+4 / -12022
The activity of a radioactive material is 2.56 \(\times\) 10\(-\)3 Ci. If the half life of the material is 5 days, after how many days the activity will become 2 \(\times\) 10\(-\)5 Ci ?