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The activity of a radioactive source falls from 640 Bq… | StemPy Lab

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The activity of a radioactive source falls from 640 Bq to 40 Bq in 20 hours. What is its half-life?

MathematicsMediumHigh School (11–12)Functions and Calculus › Differential Equations AP A-Level IB AEEE (Amrita)AMUEEE AP EAPCET

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The activity of a radioactive source falls from $640\ \text{Bq}$ to $40\ \text{Bq}$ in $20$ hours. What is its half-life?

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