chem lab 13 - Rachel Dailey Heather Clark Chemistry 112 Lab...

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Rachel Dailey Heather Clark Chemistry 112 Lab 07 Morgan Davis 5 May 2011 Lab 13: Radiation Intensity A. Research Questions: 1. What is the transmisson equation used to find the fraction of radiation that get through? 2. What is the value of n in Part III? Part I Background Count: 50______ Table 1. Part II Beta Radiation Layers of Card Board Raw Count Corrected Count 0 56 6 1 51 1 2 47 -3 3 50 0 4 43 -7 5 46 -4 6 62 12 7 64 14 8 52 2 9 46 -4 10 58 8 . Graphs for Part II: Table 2. Part III Gamma Radiation Background Count: 42______ Distance From Source (in cm.) Raw Count Corrected Count 5 439 397 10 191 149 15 119 77 20 89 47 25 72 30 30 74 32
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35 67 25 40 60 18 45 51 9 50 38 -4 Graph for Part III C. Claims 1. The transmission of radiation equation is N = f x N 0. 2. The value for n is 1.748. This value was obtained from graph 1. Log(Counts) vs. Log(Distance to Source), because it is the slope of the logarithmic trend line. D. Evidence
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chem lab 13 - Rachel Dailey Heather Clark Chemistry 112 Lab...

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