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What is the critical angle for the interface between material 1 (n=1.58) and material 2 (n=1.30)?
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- The displacement distance of an atom around a dislocation (line defect in a crystal or grains) is called the slip or Burgers vector b and is (a)/(b) to an edge dislocation line. The slip or Burgers vector of a screw dislocation is (c)/(d) to the dislocation line. Choose either (a) or (b) and (c) or (d) to correctly finish the sentence. A. (b) perpendicular/ loodreg B. (d) perpendicular/ loodreg C. (a) parallel D. (c) parallelThe positions vectors R1and R2 of the two atoms 1 and 2 in a crystal have equal magnitudes. If the magnitude of vector R1 +R2 is five times larger than the magnitude of vector R1- R2, the :angle (in degrees) between R1and R2 is approximately a. 53 O b. 5.72 O c. 22.6 ) d. 9.52 O e. 12.68 Mehib darum MA -+Q 1: Let å = -2 ỉ +3 j +6 k and b = 4 i + 6 j , Find ( 2 å + 3 b ,1-ål, å * å , å * b_ )
- 1:54 O KB/S ul . 52 %3D s the the g With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 16 mm. With micrometer calipers, you measure the width of the rectangle to be 8.98 mm. Use the correct number of significant figures: What is (a) the area of the rectangle; (b) the ratio of the rectangle's width to its length; (c) the perimeter of the rectangle; (d) the difference between the length and the width; and (e) the ratio of the length to the width? Your answerProblem 1. Evaluate the expression (-2 + 3i)(-3 - 9i) and write the result in the form a + bi. The product is2.e Please answer the following with a clear, readable and correct solution.
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