The half-life of a radioactive material is 6hrs. What quantity of 1kg of the material would decay in 24 hours? By: Sunday|Published on: Aug 28|Categories: 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 isotope has a decay constant of…If the decay constant of a radioactive substance is…The half-life of a radioactive substance is 15…The half-life of a radioactive element is 5.…A radioactive substance has a half-life of 20 hours.…SEE ALSO One difference between reactance and resistance in an alternating current circuit is?