The decay constant of radio isotope is `lambda`. If `A_(1) and A_(2)` are its activities at times
Channel: Doubtnut
Date: 2020-08-02

The decay constant of radio isotope is `lambda`. If `A_(1) and A_(2)` are its activities at times `t_(1) and t_(2)` respectively, the number of nuclei which have decayed during the time `(t_(1)-t_(2))`