Queries & Discussions

By Suman Patra Answer: The half-life of a radioisotope is the time required for half the atoms in a given sample to undergo radioactive, or nuclear, decay. Initially, at time t = 0, the sample is 100%. After 50 days, only half the original amount of element will remain: ½ x 100% = 50% After another 50 days, only half ...