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categoryالفيزياء schoolبكالوريوس event_available2026-07-15

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10* ELECTRONS mo RANGE IN AIR (cm) % 100 % 10" 10°2 10° PROTONS 100 ENERGY (MeV) Fig. 5.8 Ranges in cm of protons, alpha particles, and electrons in air at STP. (Courtesy Oak Ridge National Laboratory, operated by Martin Marietta Energy Systems, Inc., for the Department of Energy.) ALPHA PARTICLES 102 103

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