The activity of a sample of radioactive material `A_(1)` at time `t_(1)` and `A_(2)` at time `t_(2)(t_(2)gtt_(1))`. Its mean life is `T`.A. `A_(1)t_(1)-A_(2)t_(2)`B. `(A_(1)-A_(2))/tau`C. `(A_(1)-A_(2))(t_(2)-t_(1))`D. `(A_(1)-A_(2))tau`

The activity of a sample of radioactive material `A_(1)` at time `t_(1

1.	The activity of a sample of radioactive material `A_(1)` at time `t_(1)` and `A_(2)` at time `t_(2)(t_(2)gtt_(1))`. Its mean life is `T`.A. `A_(1)t_(1)-A_(2)t_(2)`B. `(A_(1)-A_(2))/tau`C. `(A_(1)-A_(2))(t_(2)-t_(1))`D. `(A_(1)-A_(2))tau`
Answer» Correct Answer - D

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The activity of a sample of radioactive material `A_(1)` at time `t_(1)` and `A_(2)` at time `t_(2)(t_(2)gtt_(1))`. Its mean life is `T`.A. `A_(1)t_(1)-A_(2)t_(2)`B. `(A_(1)-A_(2))/tau`C. `(A_(1)-A_(2))(t_(2)-t_(1))`D. `(A_(1)-A_(2))tau`

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