Let `R_(t)` represents activity of a sample at an insant and `N_(t)` represent number of active
Channel: Doubtnut
Date: 2020-01-28

Let `R_(t)` represents activity of a sample at an insant and `N_(t)` represent number of active nuclei in the sample at the instant. `T_(1//2)` represents the half life. `{:(,\"Column I\