Which of the following is used for shielding radioactive fall-outs? by Sunday | Aug 29 | Physics WAEC | 0 comments A. Plastic B. Wood C. Textile D. Aluminium E. Lead Correct Answer: Option E – Lead Users Also Read These:A sheet of paper is placed in the path of a beam…Which of the following statements about a…A radioactive nucleus has a half-life of 20 years,…A radioactive element has a decay constant of…A radioactive nuclide of mass 6.09 has a half-life…