The half life of a radioactive substance is 14 days. If 48g of this substance is stored, after how many days will 1.5g of the original substance remain?

by | May 23 | Physics WAEC | 0 comments

A. 84 days
B. 70 days
C. 56 days
D. 40 days

Correct Answer: Option B

B. 70 days