HW01 - 7. (10 p) State the point group that results if a...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
EMSE 312 FALL 2011 DIFFRACTION PRINCIPLES Homework Assignment #1 Due: Monday September 26, 2011 Total 100 points 1. (10 p) What point group is developed through the interaction of two symmetry planes at (a) 45 ° to each other? (b) 30 ° to each other? 2. (10 p) What point group is developed through the interaction of two 2-fold proper rotation axes at (a) 60 ° to each other? (b) 90 ° to each other? 3. (10 p) Cullity and Stock Problem Problem 1-3 4. (10 p) Azaroff Problem 1-5 5. (10 p) To which point groups do the following belong? (a) a brick, (b) an octahedron, (c) a tetrahedron, (d) a book (ignoring lettering), and (e) the letters A, B, G and N.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6. (10 p) (a) List all symmetry operations in a water ( ) 2 HO molecule? (b) List all symmetry operations in an Egyptian pyramid?
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 7. (10 p) State the point group that results if a center of symmetry is added to a point occupying (a) the point group 1; (b) the point group 2; (c) the point group 3; (d) the point group 4; (e) the point group 6; (f) the point group 222; (g) the point group 422; (h) the point group 432; (i) the point group 23; and (j) the point group 32. Note: A center of symmetry is an inversion point 8. (10 p) An object of point symmetry m3m(Oh) distorts under a uniaxial. (a) What is the point group of the distorted object if the stress is applied along [001]? (b) What is the point group of the distorted object if the stress is applied along [111]? 9. (10 p) Azaroff Problem 3-9 10. (10 p) Azaroff Problem 4-5...
View Full Document

Page1 / 2

HW01 - 7. (10 p) State the point group that results if a...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online