The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?
A. 8 days

B. 12 days

C. 16 days

D. None of these

E. 4 days

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.