JEE Main 202315 Apr, Morning shiftPhysicsHardAtoms and Nuclei183× since 2002The half-life of a radioactive nucleus is 5 years. The fraction of the original sample that would decay in 15 years is:AOption A. 18\frac{1}{8}81BOption B. 34\frac{3}{4}43COption C. 78\frac{7}{8}87DOption D. 14\frac{1}{4}41CheckSkip · show solution