A decay curve for a radioactive isotope passes through the points (t = 0.0 min, N =…

PHYSICS · Subjective · A Level · Physics · Nuclear physics · Nuclear physics

Problem

A decay curve for a radioactive isotope passes through the points (t = 0.0 min, N = 1600 counts·s⁻¹) and (t = 3.0 min, N = 400 counts·s⁻¹). Determine the isotope’s half-life in minutes.

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