Lecture26 - ANNOUNCEMENTS Final Exams: Section A: Wednesday...

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ANNOUNCEMENTS Final Exams: Section A: Wednesday @ 8:30 am Section C: Monday @ 8:30 am If You Wish to Switch Exam Days, You Must E-Mail Me *TODAY* and Wait for a Response. Seating Charts Will Be Posted the Night Before Each Exam Exam Topics Posted Yesterday Class Evaluations Today
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Q1: Reading Quiz: Choose the Best Statement: The Density of a Nucleus. .. A. ... Depends on the Z number. B. ... Depends on the A number. C. ... Depends on Both Z and A. D. ... is the Same for All Nuclei. E. ... None of These is Correct.
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BINDING ENERGY COMPARE MASS OF HELIUM ATOM TO THE SUM OF ITS CONSTITUENTS: HELIUM = 4.002602 AMU 2 PROTONS PLUS 2 NEUTRONS PLUS 2 ELECTRONS = 4 . 032980 AMU IF WE PUT TOGETHER THE PIECES TO MAKE A NUCLEUS, WHAT HAPPENS TO THE EXTRA MASS? IT COMES OUT AS ENERGY: E = mc 2 RELATIVITY AGAIN !
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ENERGY, cont. TO REVERSE THE PROCESS (BREAK APART A NUCLEUS), WE MUST SUPPLY THE NUCLEUS WITH ENOUGH EXTRA ENERGY TO ACCOUNT FOR THE MASS OF EACH CONSTITUENT. NUCLEI
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This note was uploaded on 06/07/2009 for the course PHYS 123 taught by Professor Boynton during the Spring '09 term at University of Washington.

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Lecture26 - ANNOUNCEMENTS Final Exams: Section A: Wednesday...

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