QI: A hospital technician is working with a radioactive source. The graph below shows the activity of the source over a period of time. 180 160 140 120 100 activity in kBq 80 60 - 40 20 5 10 15 20 25 time in hours a) Use the graph to find the half – life of the radioactive source. b) The initial activity of the radioactive source is 160kBq. Calculate the activity of the radioactive source after four half- lives.

QI: A hospital technician is working with a radioactive source. The graph below shows the activity of the source over a period of time. 180 160 140 120 100 activity in kBq 80 60 - 40 20 5 10 15 20 25 time in hours a) Use the graph to find the half – life of the radioactive source. b) The initial activity of the radioactive source is 160kBq. Calculate the activity of the radioactive source after four half- lives.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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