Physics · Nuclear Physics
The condition of secular radioactive equilibrium between a parent nuclide (1) and a daughter nuclide (2) is given by:
- 1N1N2 = λ1λ2
- 2λ1N1 = λ2N2✓
- 3N2N1 = λ1λ2 − λ1
- 4N1N2 = λ1λ1 − λ2
Correct answer
λ1N1 = λ2N2
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