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0:00 Problem 6
0:05 8.8 MeV alpha particles have a range of 8.6cm in standard air. Find their energy loss per cm in standard air at a distance of 4cm from a thin source. What will be the energy loss for the 8.8MeV alpha particles, when they pass through a gold foil of 8000nn thickness? ( density of gold is 19.3 g/cm^3 )
9:33 energy lost by 8.8MeV alpha particles by traveling a distance of 8000nn through gold foil

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