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2008FinalExam

# 2008FinalExam - KPDL 1 EMSE 312 FALL 2008 DIFFRACTION...

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Unformatted text preview: KPDL: 12-15-08 1 EMSE 312 FALL 2008 DIFFRACTION PRINCIPLES FINAL EXAM Tuesday December 16, 2008 8:30 AM - 11:30 PM This is an OPEN BOOK and an OPEN NOTE exam. The exam consists of Seven (7) 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 (10p): _________ Question 3 (15p): _________ Question 4 (10p): _________ Question 5 (10p): _________ Question 6 (20p): _________ Question 7 (25p): _________ ======================= Total (100p): _______________ Midterm Exam (30%): __________________________ Homework (30%): __________________________ Final Exam (40%): __________________________ Total: __________________________ Final Grade: __________________________ EMSE 312 Final Exam FALL 2008 KPDL: 12-15-08 2 1. Crystallography: Explain briefly each of the following. Use a sketch if convenient. (a) (2 p) A 6 4 screw axis (b) (2 p) A d glide plane (c) (2 p) The five (5) different space lattices (d) (2 p) The mm2 point group (e) (2 p) The meaning of “symmorphic space groups” (10 p) (a) (b) (c) (d) (e) EMSE 312 Final Exam FALL 2008 KPDL: 12-15-08 3 2. Optical Diffraction/Fourier Transforms: (a) (5 p) Draw the most intense features of an optical diffractogram that would be obtained from one of the rectangular apertures shown below. (b) (5 p) Draw the most intense features of an optical diffractogram that would be obtained from both rectangular apertures punched out from an opaque screen in an arrangement shown below. Try to draw the diffractogram to scale, and specify what features of the diffractogram below....
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2008FinalExam - KPDL 1 EMSE 312 FALL 2008 DIFFRACTION...

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