The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5
mg?
A. 4 days
B. 12 days
C. 16 days
D. 8 days (Answer)
E. None of these
mg?
A. 4 days
B. 12 days
C. 16 days
D. 8 days (Answer)
E. None of these