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Unformatted text preview: = â‡’ Î½ or Î½ , gamma A radioactive sampleâ€™s activity is Î» N , which is decays per second 1 becquerel = 1 Bq â‰¡ 1 decay per second; 1 curie = 1 Ci = 3 . 7 Ã— 10 10 Bq dN dt =Î» N = â‡’ Î» â‰ˆ Î” N N Î” t = â‡’ N ( t ) = N eÎ» t where N â‰¡ N ( t = ) halflife t 1 / 2 related to Î» by Î» = ln 2 / t 1 / 2 The Wang calculator, circa 1968...
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This note was uploaded on 06/03/2011 for the course H 133 taught by Professor Furnstahl during the Spring '11 term at Ohio State.
 Spring '11
 Furnstahl
 Energy, Quantum Physics

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