A radioactive substance has a half-life of 64.8 h. A sample containing this isotope has
Channel: Doubtnut
Date: 2020-07-12

A radioactive substance has a half-life of 64.8 h. A sample containing this isotope has an initial activity `(t=0)` of `40muCi`. Calculate the number of nuclei that decay in the time interval between `t_1=10.0h` and `t_2=12.0h`.