Physics 1 Problem Solutions 307

Physics 1 Problem Solutions 307 - Chapt. 41 Nuclear Physics...

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Chapt. 41 Nuclear Physics 303 043 qmult 01110 2 3 3 moderate math: binding energy of He-4 Extra keywords: physci KB-252-15 15. The mass of 4 2 He is 4 . 0026 u, where u is the atomic mass unit. Recall that 1 u = 931 . 5 MeV, that a hydrogen atom has mass 1 . 0078 u, and neutron has mass 1 . 0087 u. What is the BINDING ENERGY and BINDING ENERGY PER NUCLEON of a 4 2 He in that order assuming one starts with 2 hydrogen nuclei and 2 neutrons? a) 931 . 5 MeV and 233 MeV/nucleon. b) 4 . 0026 u and 1 . 0078 u/nucleon. c) 28 . 3 MeV and 7 . 08 MeV/nucleon. d) 7 . 08 MeV and 28 . 3 MeV/nucleon. e) 1 . 0 MeV and 0 MeV/nucleon. 043 qmult 01210 2 4 5 moderate deducto-memory: nuclear binding energy maximum Extra keywords: physci KB-250-19 16. The nuclear binding energy per nucleon is greatest for nuclei of: a) reduced mass. b) no mass. c) least mass. d) greatest mass. e) mass near iron (i.e., iron peak nuclei). 043 qmult 01220 2 4 3 moderate deducto-memory: most stable nucleus
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