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Unformatted text preview: EMSE 312 FALL 2011 KPDL: 09-25-11 3 DIFFRACTION PRINCIPLES Homework Assignment #2 Due: Thursday October 20, 2011 1. Optical Diffraction. Illustrate to the best of your ability the optical diffractogram generated by the three (3) identical rectangular apertures punched through an opaque screen shown below. 2. Short Wavelength Limit. Consider an x-ray tube operating at 30,000 volts. Calculate (a) the velocity (b) the kinetic energy with which the electrons strikes the target, and (c) the short-wavelength limit ( λ SWL ) of the continuous x-ray spectrum emitted. 3. Cullity and Stock Problem 1-5. (Absorption) Plot the ratio of transmitted to incident vs. thickness of lead sheet for Mo(K α ) radiation and a thickness range of 0.00 to 0.02 mm. 4. Cullity and Stock Problem 1-8. (Absorption) (a) Calculate the mass and linear absorption coefficients of air for Cr(K α ) radiation. Assume that air contains 80 percent nitrogen and 20 percent oxygen by weight and has a density of . (b) Plot the transmission factor of air for Cr(K....
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This note was uploaded on 12/01/2011 for the course EMSE 312 taught by Professor Lagerlof,p during the Spring '08 term at Case Western.
- Spring '08