Quiz1-summer

Quiz1-summer - 0 0 and(1 0 0 Determine the Miller indices...

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MEEG 223 Materials Science for Engineers Quiz #1, due 5/26/2009 at 10:00am 1. A hydrogen atom exists with its electron in the n = 5 state. The electron undergoes a transition to the n = 4 state. (a) Does it absorb or emit energy? (2) (b) How much is the energy? (3) (c). What is the frequency of the photon? (3) (d). What is the wave length of the photon? (2) 2. On the unit cell shown below, draw the points with position coordinates (0, 0.5, 1), (1,
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Unformatted text preview: 0, 0) and (1, 0, 0). Determine the Miller indices of the plane determined by these points. (5) 3. What are the indices of the directions shown in the unit cubes? (12) 4. Draw in unit cubes the crystal planes that have the following Miller indices: (9) (a) ) 1 1 1 ( , (b) ) 2 (10 , (c) ) 1 2 1 ( 5. If a lattice constant is 0.362 nm, calculate the distance between two adjacent parallel (220) planes. (4)...
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This note was uploaded on 03/10/2010 for the course CS 450 taught by Professor Staff during the Spring '08 term at Oregon State.

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