where N(t) is the number of nuclei at time t. Two radioactive sources P(mean life τ) and Q (mean life 2τ) have the same activity at t = 0. Their rates of change of activities at t = 2τ are RP and RQ
Sahay Sir > Question Answers > where N(t) is the number of nuclei at time t. Two radioactive sources P(mean life τ) and Q (mean life 2τ) have the same activity at t = 0. Their rates of change of activities at t = 2τ are RP and RQ
For a radioactive material, its activity A and rate of change of its activity R are defined as A = − dt/dN and R = − dt/dA , where N(t) is the number of nuclei at time t. Two radioactive sources P(mean life τ) and Q (mean life 2τ) have the same activity at [...]