MidtermExam2010

MidtermExam2010 - EMSE 312 FALL 2010 DIFFRACTION PRINCIPLES...

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Unformatted text preview: EMSE 312 FALL 2010 DIFFRACTION PRINCIPLES MIDTERM EXAM Thursday October 14, 2010 12:30 - 1:45 PM This is a CLOSED BOOK and a CLOSED NOTE exam. The exam consists of eight (8) questions, all with several parts. Answer ALL parts of ALL questions for a total of 100 POINTS. Make your answers as BRIEF as possible -- GOOD LUCK!!! NAME:_________________________________________ Question 1 (10p) : _________ Question 2 (10 p): _________ Question 3 (10 p): _________ Question 4 (20 p): _________ Question 5 (10 p): _________ Question 6 (10 p): _________ Question 7 (10 p): _________ Question 8 (20 p): _________ ======================= Total (100 p): _______________ Midterm Grade: ____________ Useful constants: Plancks constant: [ ] 34 6.626 10 = h J s Speed of light: [ ] 8 2.998 10 / = c m s Universal mass constant: [ ] [ ] 27 24 1.66 10 1.66 10 u kg = = g Mass of electron: [ ] 31 9.109 10 = e m kg Charge of an electron: [ ] 19 1.602 10 = e C Avogadros number: 23 1 6.022 10 = A N mol [ ] [ ] 19 1 1.6022 10 = eV J KPDL: 10-12-10 1 EMSE 312 Midterm Exam FALL 2010 KPDL: 10-12-10 2 1. (10 p) Explain briefly each of the following (use simple sketches to illustrate when suitable): (a) (2 p) Improper Rotation (b) (2 p) Point Group (c) (2 p) Centering (Space Lattice) (d) (2 p) Glide Symmetry (e) (2 p) Symmorphic Space Group (a) (b) (c) (d) (e) EMSE 312 Midterm Exam FALL 2010 KPDL: 10-12-10 3 2. (10 p)...
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MidtermExam2010 - EMSE 312 FALL 2010 DIFFRACTION PRINCIPLES...

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