The half-life of a radioactive material is 6hrs. What quantity of 1kg of the material would decay in 24 hours? by Sunday | Aug 28 | Physics WAEC | 0 comments A. 15/16kg B. 1/2kg C. 1/4kg D. 1/8kg E. 1/16kg Correct Answer: Option E – 1/16kg Users Also Read These:A radioactive substance has a half-life of 20 hours.…A radioactive isotope has a decay constant of…Two radioactive elements Q and S have half-life…In 24 days a radioactive isotope decreases in mass…A radioactive element has a decay constant of…