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UMass Amherst
PHYSICS 132 -
in lab data 4.2.14 physics
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Radioactivity Lab4/2/14Victoria NewburyNotesA = atomic mass #, Z = atomic #, X = chemical symbol, N = a-z (# neutrons)Alpha DecayBeta DecayGamma Decay^on boardt1/2 = half lifeN(t)6.5.2 NB counts/min (5 minutes) = 96 total19.2 = counts per minute (5 minutes)6.5.3trial 1 – 19 background/min2 - 133 - 244 - 175 - 246 - 107 - 198 - 239 - 2110 - 216.5.4210POnone = 14035paper = 56790Srnone= 16.0413.2mm Al = 8360COnone=61806.4 mm Al = 2083 6.4 mm Pb = 1561At equal energies, which particle is the most dangerous and
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