From the equation expressing the law of radioactive decay,
Chapter 44, Problem 28(choose chapter or problem)
From the equation expressing the law of radioactive decay, derive the following useful expressions for the decay constant and the half-life, in terms of the time interval Dt during which the decay rate decreases from R0 to R: l 5 1 Dt ln a R0 R b T1/2 5 1ln 22 Dt ln 1R 0/R2
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