ch36
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ch36

Course Number: PHYSICS 108, Spring 2008

College/University: SUNY Buffalo

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Chapter 36: DIFFRACTION 1. Sound differs from light in that sound: A. is not subject to diffraction B. is a torsional wave rather than a longitudinal wave C. does not require energy for its origin D. is a longitudinal wave rather than a transverse wave E. is always monochromatic ans: D 2. Radio waves are readily diffracted around buildings whereas light waves are negligibly diffracted around buildings. This is...

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36: DIFFRACTION 1. Chapter Sound differs from light in that sound: A. is not subject to diffraction B. is a torsional wave rather than a longitudinal wave C. does not require energy for its origin D. is a longitudinal wave rather than a transverse wave E. is always monochromatic Register to View Answer2. Radio waves are readily diffracted around buildings whereas light waves are negligibly diffracted around buildings. This is because radio waves: A. are plane polarized B. have much longer wavelengths than light waves C. have much shorter wavelengths than light waves D. are nearly monochromatic (single frequency) E. are amplitude modulated (AM). Register to View Answer3. Diffraction plays an important role in which of the following phenomena? A. The sun appears as a disk rather than a point to the naked eye B. Light is bent as it passes through a glass prism C. A cheerleader yells through a megaphone D. A farsighted person uses eyeglasses of positive focal length E. A thin soap film exhibits colors when illuminated with white light Register to View Answer4. The rainbow seen after a rain shower is caused by: A. diffraction B. interference C. refraction D. polarization E. absorption Register to View Answer5. When a highly coherent beam of light is directed against a very fine wire, the shadow formed behind it is not just that of a single wire but rather looks like the shadow of several parallel wires. The explanation of this involves: A. refraction B. diffraction C. reflection D. the Doppler effect E. an optical illusion Register to View Answer Chapter 36: DIFFRACTION 541 6. When the atmosphere is not quite clear, one may sometimes see colored circles concentric with the Sun or the Moon. These are generally not more than a few diameters of the Sun or Moon and invariably the innermost ring is blue. The explanation for this phenomena involves: A. reflection B. refraction C. interference D. diffraction E. the Doppler effect Register to View Answer7. The shimmering or wavy lines that can often be seen near the ground on a hot day are due to: A. Brownian movement B. reflection C. refraction D. diffraction E. dispersion Register to View Answer8. A point source of monochromatic light is placed in front of a soccer ball and a screen is placed behind the ball. The light intensity pattern on the screen is best described as: A. a dark disk on a bright background B. a dark disk with bright rings outside C. a dark disk with a bright spot at its center D. a dark disk with a bright spot at its center and bright rings outside E. a bright disk with bright rings outside Register to View Answer9. In the equation sin = /a for single-slit diffraction, is: A. the angle to the first minimum B. the angle to the second maximum C. the phase angle between the extreme rays D. N where N is an integer E. (N + 1/2) where N is an integer Register to View Answer10. In the equation = (2a/) sin for single-slit diffraction, is: A. the angle to the first minimum B. the angle to the second maximum C. the phase angle between the extreme rays D. N where N is an integer E. (N + 1/2) where N is an integer Register to View Answer 542 Chapter 36: DIFFRACTION 11. No A. B. C. D. E. fringes are seen in a single-slit diffraction pattern if: the screen is far away the wavelength is less than the slit width the wavelength is greater than the slit width the wavelength is less than the distance to the screen the distance to the screen is greater than the slit width Register to View Answer 12. A student wishes to produce a single-slit diffraction pattern in a ripple tank experiment. He considers the following parameters: 1. frequency 2. wavelength 3. water depth 4. slit width Which two of the above should be decreased to produce more bending? A. 1, 3 B. 1, 4 C. 2, 3 D. 2, 4 E. 3, 4 Register to View Answer13. A parallel beam of monochromatic light is incident on a slit of width 2 cm. The light passing through the slit falls on a screen 2 m away. As the slit width is decreased: A. the width of the pattern on the screen continuously decreases B. the width of the pattern on the screen at first decreases but then increases C. the width of the pattern on the screen increases and then decreases D. the width of the pattern on the screen remains the same E. the pattern on the screen changes color going from red to blue Register to View Answer14. Monochromatic plane waves of light are incident normally on a single slit. Which one of the five figures below correctly shows the diffraction pattern observed on a distant screen? A B C D E Register to View Answer Chapter 36: DIFFRACTION 543 15. The diagram shows a single slit with the direction to a point P on a distant screen shown. At P, the pattern has its second minimum (from its central maximum). If X and Y are the edges of the slit, what is the path length difference (PX) - (PY)? incident light ..................... .................... ... .. .. ... ..................... .................... ... .. .. ... ..................... .................... ... .. .. ... ..................... .................... .. . .. .. .. ..................... .................... ... .. .. ... ..... .... ................... ................... .. .. ..... .... ................... ................... .. .. ..................... .................... ... .. .. ... ..................... .................... .. . .. .. .. ..... .. ... . . ............. ............... .............. ............. .............. ...... ...... .............. .............. ....... ....... .............. ............. ..... ...... ............. ............. .... .. . .. . ........... . ............... .............. ............. ............. .............. .............. ............. ............. ............. . ............. ............. ............. ............. Y to P X A. B. C. D. E. /2 3/2 2 5/2 Register to View Answer 16. The diagram shows a single slit with the direction to a point P on a distant screen shown. At P, the pattern has its maximum nearest the central maximum. If X and Y are the edges of the slit, what is the path length difference (PX) - (PY)? incident light ..................... .................... ... .. .. ... ..................... .................... ... .. .. ... ..... .... ................... ................... .. .. ..................... .................... ... .. .. ... ..................... ................... . ... .. . . .. ..... .... ................... ................... .. .. ..... .... ................... ................... .. .. ..................... .................... ... .. .. ... ..................... .................... ... ... .. .. ... ... ............. . ............. .. ............. ............. .............. .............. ............. ............. .............. .............. ........ ........ .............. ............. ...... ....... Y.................................................................................................. .... ............. X .. ... . . ........... ........... .. .......... .. ............. .............. .............. to P A. B. C. D. E. /2 3/2 2 5/2 Register to View Answer 17. At the first minimum adjacent to the central maximum of a single-slit diffraction pattern the phase difference between the Huygens wavelet from the top of the slit and the wavelet from the midpoint of the slit is: A. /8 rad B. /4 rad C. /2 rad D. rad E. 3/2 rad Register to View Answer544 Chapter 36: DIFFRACTION 18. At the second minimum adjacent to the central maximum of a single-slit diffraction pattern the Huygens wavelet from the top of the slit is 180 out of phase with the wavelet from: A. a point one-fourth of the slit width from the top B. the midpoint of the slit C. a point one-fourth of the slit width from the bottom of the slit D. the bottom of the slit E. none of these Register to View Answer19. A plane wave with a wavelength of 500 nm is incident normally on a single slit with a width of 5.0 10-6 m. Consider waves that reach a point on a far-away screen such that rays from the slit make an angle of 1.0 with the normal. The difference in phase for waves from the top and bottom of the slit is: A. 0 B. 0.55 rad C. 1.1 rad D. 1.6 rad E. 2.2 rad Register to View Answer20. A diffraction pattern is produced on a viewing screen by illuminating a long narrow slit with light of wavelength . If is increased and no other changes are made: A. the intensity at the center of the pattern decreases and the pattern expands away from the bright center B. the intensity at the center of the pattern increases and the pattern contracts toward the bright center C. the intensity at the center of the pattern does not change and the pattern expands away from the bright center D. the intensity at the center of the pattern does not change and the pattern contracts toward the bright center E. neither the intensity at the center of the pattern nor the pattern itself change Register to View Answer21. A diffraction pattern is produced on a viewing screen by illuminating a long narrow slit with light of wavelength . If the slit width is decreased and no other changes are made: A. the intensity at the center of the pattern decreases and the pattern expands away from the bright center B. the intensity at the center of the pattern increases and the pattern contracts toward the bright center C. the intensity at the center of the pattern does not change and the pattern expands away from the bright center D. the intensity at the center of the pattern does not change and the pattern contracts toward the bright center E. neither the intensity at the center of the pattern nor the pattern itself change Register to View Answer Chapter 36: DIFFRACTION 545 22. In order to obtain a good single-slit diffraction pattern, the slit width could be: A. B. /10 C. 10 D. 104 E. /104 Register to View Answer23. Consider a single-slit diffraction pattern caused by a slit of width a. There is a maximum if sin is equal to: A. slightly more than 3/2a B. slightly less than 3/2a C. exactly 3/2a D. exactly /2a E. very nearly /2a Register to View Answer24. Consider a single-slit diffraction pattern caused by a slit of width a. There is a minimum if sin is equal to: A. exactly /a B. slightly more than /a C. slightly less than /a D. exactly /2a E. very nearly /2a Register to View Answer25. In a single-slit diffraction pattern, the central maximum is about twice as wide as the other maxima. This is because: A. half the light is diffracted up and half is diffracted down B. the central maximum has both electric and magnetic fields present C. the small angle approximation applies only near the central maximum D. the screen is flat instead of spherical E. none of the above Register to View Answer26. The intensity at a secondary maximum of a single-slit diffraction pattern is less than the intensity at the central maximum chiefly because: A. some Huygens wavelets sum to zero at the secondary maximum but not at the central maximum B. the secondary maximum is further from the slits than the central maximum and intensity decreases as the square of the distance C. the Huygens construction is not valid for a secondary maximum D. the amplitude of every Huygens wavelet is smaller when it travels to a secondary maximum than when it travels to the central maximum E. none of the above Register to View Answer 546 Chapter 36: DIFFRACTION 27. Figure (i) shows a double-slit pattern obtained using monochromatic light. Consider the following five possible changes in conditions: 1. decrease the frequency 2. increase the frequency 3. increase the width of each slit 4. increase the separation between the slits 5. decrease the separation between the slits Which of the above would change Figure (i) into Figure (ii)? i ii A. B. C. D. E. 3 only 5 only 1 and 3 only 1 and 5 only 2 and 4 only Register to View Answer 28. Two wavelengths, 800 nm and 600 nm, are used separately in single-slit diffraction experiments. The diagram shows the intensities on a far-away viewing screen as function of the angle made by the rays with the straight-ahead direction. If both wavelengths are then used simultaneously, at which angle is the light on the screen purely 800-nm light? I ..... ..... . .... ..... .. . ..... .... .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..... .. . . ... .... .... . ...... ..................................... . ...... ...................... ............................ . ... .. ............ ..................... .. . ...... . . .. .... . . A Register to View AnswerB C D E Chapter 36: DIFFRACTION 547 29. If we increase the wavelength of the light used to form a double-slit diffraction pattern: A. the width of the central diffraction peak increases and the number of bright fringes within the peak increases B. the width of the central diffraction peak increases and the number of bright fringes within the peak decreases C. the width of the central diffraction peak decreases and the number of bright fringes within the peak increases D. the width of the central diffraction peak decreases and the number of bright fringes within the peak decreases E. the width of the central diffraction peak increases and the number of bright fringes within the peak stays the same Register to View Answer30. Two slits of width a and separation d are illuminated by a beam of light of wavelength . The separation of the interference fringes on a screen a distance D away is: A. a/D B. d/D C. D/d D. dD/ E. D/a Register to View Answer31. Two slits in an opaque barrier each have a width of 0.020 mm and are separated by 0.050 mm. When coherent monochromatic light passes through the slits the number of interference maxima within the central diffraction maximum: A. is 1 B. is 2 C. is 4 D. is 5 E. cannot be determined unless the wavelength is given Register to View Answer32. When 450-nm light is incident on normally a certain double-slit system the number of interference maxima within the central diffraction maximum is 5. When 900-nm light is incident on the same slit system the number is: A. 2 B. 3 C. 5 D. 9 E. 10 Register to View Answer 548 Chapter 36: DIFFRACTION 33. In a double-slit diffraction experiment the number of interference fringes within the central diffraction maximum can be increased by: A. increasing the wavelength B. decreasing the wavelength C. decreasing the slit separation D. increasing the slit width E. decreasing the slit width Register to View Answer34. A diffraction-limited laser of length and aperture diameter d generates light of wavelength . If the beam is directed at the surface of the Moon a distance D away, the radius of the illuminated area on the Moon is approximately: A. dD/ B. dD/ C. D/ D. D/d E. /d Register to View Answer35. Two stars that are close together are photographed through a telescope. The black and white film is equally sensitive to all colors. Which situation would result in the most clearly separated images of the stars? A. Small lens, red stars B. Small lens, blue stars C. Large lens, red stars D. Large lens, blue stars E. Large lens, one star red and the other blue Register to View Answer36. The resolving power of a telescope can be increased by: A. increasing the objective focal length and decreasing the eyepiece focal length B. increasing the lens diameters C. decreasing the lens diameters D. inserting a correction lens between objective and eyepiece E. none of the above Register to View Answer37. In the equation d sin = m for the lines of a diffraction grating m is: A. the number of slits B. the slit width C. the slit separation D. the order of the line E. the index of refraction Register to View Answer Chapter 36: DIFFRACTION 549 38. In the equation d sin = m for the lines of a diffraction grating d is: A. the number of slits B. the slit width C. the slit separation D. the order of the line E. the index of refraction Register to View Answer39. As A. B. C. D. E. more slits with the same spacing are added to a diffraction grating the lines: spread farther apart move closer together become wider becomes narrower do not change in position or width Register to View Answer 40. An N -slit system has slit separation d and slit width a. Plane waves with intensity I and wavelength are incident normally on it. The angular separation of the lines depends only on: A. a and N B. a and C. N and D. d and E. I and N Register to View Answer41. 600-nm light is incident on a diffraction grating with a ruling separation of 1.7 10-6 m. The second order line occurs at a diffraction angle of: A. 0 B. 10 C. 21 D. 42 E. 45 Register to View Answer42. The widths of the lines produced by monochromatic light falling on a diffraction grating can be reduced by: A. increasing the wavelength of the light B. increasing the number of rulings without changing their spacing C. decreasing the spacing between adjacent rulings without changing the number of rulings D. decreasing both the wavelength and the spacing between rulings by the same factor E. increasing the number of rulings and decreasing their spacing so the length of the grating remains the same Register to View Answer 550 Chapter 36: DIFFRACTION 43. Monochromatic light is normally incident on a diffraction grating that is 1 cm wide and has 10, 000 slits. The first order line is deviated at a 30 angle. What is the wavelength, in nm, of the incident light? A. 300 B. 400 C. 500 D. 600 E. 1000 Register to View Answer44. A light spectrum is formed on a screen using a diffraction grating. The entire apparatus (source, grating and screen) is now immersed in a liquid of refractive index 1.33. As a result, the pattern on the screen: A. remains the same B. spreads out C. crowds together D. becomes reversed, with the previously blue end becoming red E. disappears because the refractive index isn't an integer Register to View Answer45. The spacing between adjacent slits on a diffraction grating is 3. The deviation of the first order diffracted beam is given by: A. sin(/2) = 1/3 B. sin(/3) = 2/3 C. sin() = 1/3 D. tan(/2) = 1/3 E. tan() = 2/3 Register to View Answer46. When light of a certain wavelength is incident normally on a certain diffraction grating the line of order 1 is at a diffraction angle of 25 . The diffraction angle for the second order line is: A. 25 B. 42 C. 50 D. 58 E. 75 ans D 47. A diffraction grating of width W produces a deviation in second order for light of wavelength . The total number N of slits in the grating is given by: A. 2W / sin B. (W/) sin C. W/2 sin D. (W/2) sin E. 2/ sin Register to View Answer Chapter 36: DIFFRACTION 551 48. Light of wavelength is normally incident on a diffraction grating G. On the screen S, the central line is at P and the first order line is at Q, as shown. The distance between adjacent slits in the grating is: Q . .......................... ........................ . ... . .. ... incident light .... 4m 3m P G A. B. C. D. E. 3/5 3/4 4/5 5/4 5/3 Register to View Answer S 49. 550-nm light is incident normally on a diffraction grating and exactly 6 lines are produced. The ruling separation must be: A. between 2.75 10-7 m and 5.50 10-7 m B. between 5.50 10-7 m and 1.10 10-6 m C. between 3.30 10-6 m and 3.85 10-6 m D. between 3.85 10-6 m and 4.40 10-6 m E. greater than 4.40 10-6 m Register to View Answer50. A mixture of 450-nm and 900-nm light is incident on a diffraction grating. Which of the following is true? A. all lines of the 900-nm light coincide with even order lines of the 450-nm light B. all lines of the 450-nm light coincide with even order lines of the 900-nm light C. all lines of the 900-nm light coincide with odd order lines of the 450-nm light D. None of the lines of the 450-nm light coincide with lines of the 900-nm light E. All of the lines of the 450-nm light coincide with lines of the 900-nm light Register to View Answer 552 Chapter 36: DIFFRACTION 51. A beam of white light (from 400 nm for violet to 700 nm for red) is normally incident on a diffraction grating. It produces two orders on a distant screen. Which diagram below (R = red, V = violet) correctly shows the pattern on the screen? V A R R V B R C V V R D R E Register to View Answer52. If white light is incident on a diffraction grating: A. the first order lines for all visible wavelengths occur at smaller diffraction angles than any of the second order lines B. some first order lines overlap the second order lines if the ruling separation is small but do not if it is large C. some first order lines overlap second order lines if the ruling separation is large but do not if it is small D. some first order lines overlap second order lines no matter what the ruling separation E. first and second order lines have the same range of diffraction angles Register to View AnswerV R V R V R V R R R V V V R V V R V R V V V R R R V R white R V R V Chapter 36: DIFFRACTION 553 53. Light of wavelength is normally incident on some plane optical device. The intensity pattern shown is observed on a distant screen ( is the angle measured from the normal of the device). The device could be: intensity .. ... .. .. . .. . . . . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . . .. .. ..... . .. . . ................ . . .. . ...... ... .......... ........................... .. .... . ... .. . ................... ... ... . -3 A. B. C. D. E. -2 -1 0 1 2 3 (W/) sin a single slit of width W a single slit of width 2W two narrow slits with separation W two narrow slits with separation 2W a diffraction grating with slit separation W Register to View Answer 54. A person with her eye relaxed looks through a diffraction grating at a distant monochromatic point source of light. The slits of the grating are vertical. She sees: A. one point of light B. a hazy horizontal strip of light of the same color as the source C. a hazy strip of light varying from violet to red D. a sequence of horizontal points of light E. a sequence of closely spaced vertical lines Register to View Answer55. Monochromatic light is normally incident on a diffraction grating. The mth order line is at a diffraction angle and has width w. A wide single slit is now placed in front of the grating and its width is then slowly reduced. As a result: A. both and w increase B. both and w decrease C. remains the same and w increases D. remains the same and w decreases E. decreases and w increases Register to View Answer 554 Chapter 36: DIFFRACTION 56. At A. B. C. D. E. a diffraction line phasors associated with waves from the slits of a multiple-slit barrier: are aligned form a closed polygon form a polygon with several sides missing are parallel but adjacent phasors point in opposite directions form the arc of a circle Register to View Answera certain multiple-slit barrier the slit separation is 4 times the slit width. For this system: the orders of the lines that appear are all multiples of 4 the orders of lines that appear are all multiples of 2 the orders of the missing lines are all multiples of 4 the orders of the missing lines are all multiples of 2 none of the above are true Register to View Answer 57. For A. B. C. D. E. 58. The dispersion D of a grating can have units: A. cm B. 1/nm C. nm/cm D. radian E. none of these Register to View Answer59. The resolving power R of a grating can have units: A. cm B. degree/nm C. watt D. nm/cm E. watt/nm Register to View Answer60. The dispersion of a diffraction grating indicates: A. the resolution of the grating B. the separation of lines of the same order C. the number of rulings in the grating D. the width of the lines E. the separation of lines of different order for the same wavelength Register to View Answer Chapter 36: DIFFRACTION 555 61. The resolving power of a diffraction grating is defined by R = /. Here and + are: A. any two wavelengths B. any two wavelengths that are nearly the same C. two wavelengths for which lines of the same order are separated by radians D. two wavelengths for which lines of the same order are separated by 2 radians E. two wavelengths for which lines of the same order are separated by half the width of a maximum Register to View Answer62. A light beam incident on a diffraction grating consists of waves with two different wavelengths. The separation of the two first order lines is great if: A. the dispersion is great B. the resolution is great C. the dispersion is small D. the resolution is small E. none of the above (line separation does not depend on either dispersion or resolution) Register to View Answer63. To A. B. C. D. E. obtain greater dispersion by a diffraction grating: the slit width should be increased the slit width should be decreased the slit separation should be increased the slit separation should be decreased more slits with the same width and separation should be added to the system Register to View Answer 64. Two nearly equal wavelengths of light are incident on an N -slit grating. The two wavelengths are not resolvable. When N is increased they become resolvable. This is because: A. more light gets through the grating B. the lines get more intense C. the entire pattern spreads out D. there are more orders present E. the lines become more narrow Register to View Answer65. A diffraction grating just resolves the wavelengths 400.0 nm and 400.1 nm in first order. The number of slits in the grating is: A. 400 B. 1000 C. 2500 D. 4000 E. not enough information is given Register to View Answer 556 Chapter 36: DIFFRACTION 66. What is the minimum number of slits required in a diffraction grating to just resolve light with wavelengths of 471.0 nm and 471.6 nm? A. 99 B. 197 C. 393 D. 786 E. 1179 Register to View Answer67. X rays are: A. electromagnetic waves B. negatively charged ions C. rapidly moving electrons D. rapidly moving protons E. rapidly moving neutrons Register to View Answer68. Bragg's law for x-ray diffraction is 2d sin = m, where is the angle between the incident beam and: A. a reflecting plane of atoms B. the normal to a reflecting plane of atoms C. the scattered beam D. the normal to the scattered beam E. the refracted beam Register to View Answer69. Bragg's law for x-ray diffraction is 2d sin = m, where the quantity d is: A. the height of a unit cell B. the smallest interatomic distance C. the distance from detector to sample D. the distance between planes of atoms E. the usual calculus symbol for a differential Register to View Answer70. Which of the following is true for Bragg diffraction but not for diffraction from a grating? A. Two different wavelengths may be used B. For a given wavelength, a maximum may exist in several directions C. Long waves are deviated more than short ones D. There is only one grating spacing E. Maxima occur only for particular angles of incidence Register to View Answer Chapter 36: DIFFRACTION 557 71. The longest x-ray wavelength that can be diffracted by crystal planes with a separation of 0.316 nm is: A. 0.158 nm B. 0.316 nm C. 0.474 nm D. 0.632 nm E. 1.26 nm Register to View Answer72. A beam of x rays of wavelength 0.20 nm is diffracted by a set of planes in a crystal whose separation is 3.1 10-8 cm. The smallest angle between the beam and the crystal planes for which a reflection occurs is: A. 0.70 rad B. 0.33 rad C. 0.033 rad D. 0.066 rad E. no such angle exists Register to View Answer73. An x-ray beam of wavelength 3 10-11 m is incident on a calcite crystal of lattice spacing 0.3 nm. The smallest angle between crystal planes and the x-ray beam that will result in constructive interference is: A. 2.87 B. 5.73 C. 11.63 D. 23.27 E. none of these Register to View Answer74. A beam of x rays of wavelength 0.10 nm is found to diffract in second order from the face of a LiF crystal at a Bragg angle of 30 . The distance between adjacent crystal planes, in nm, is about: A. 0.15 B. 0.20 C. 0.25 D. 0.30 E. 0.40 Register to View Answer 558 Chapter 36: DIFFRACTION

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SUNY Buffalo - PHYSICS - 108
Chapter 32 Inductance and Circuit OscillationsIn this chapter we will study the properties of inductors (also known as "coils"). Inductors, together with capacitors and resistors are the passive elements of electric and electronic circuits In partic
SUNY Buffalo - PHYSICS - 108
Chapter 30Faraday's lawUsing Ampere's law in chapter 29 we investigated how an electric current I can generate a magnetic field B. In this chapter we shall study the fourth (and last) of Maxwell's equations known as Faraday's law. Faraday's law t
UCLA - ECON - 171
Eco 171 - Industrial Organization First Midterm Exam InstructionsName: Section:There are 6 short questions and 2 problems. Short questions are worth a total of 40 points and the problems a total of 60 points. Answer in the space provided (no need
UCLA - ECON - 171
UCLA - ECON - 171
Eco 171 - Industrial Organization Second Midterm Exam InstructionsName: Section:There are 6 short questions and 2 problems, each worth 1/3 of the total points. Answer in the space provided (no need to use it all.) If necessary use the back of the
WPUNJ - COMM - 101
More Than Rumors. Understanding the Organizational Grapevine Zaremba, Alan David Spodofora A. Introduction This paper discusses the development, accuracy, resilience, and management of the grapevine. Since grapevines do not develop by managerial desi
UCLA - ECON - 171
UCLA - ECON - 171
Lehigh - PHYSIC - 2
Lehigh University HW-23 SolutionsPhysics 21, Spring 2008April 2, 200823-1. (HRW 33-67) In Fig. 33-65, light enters a 90 triangular prism at point P with incident angle , and then some of it refracts at point Q with an angle of refraction of 90.
WPUNJ - COMM - 101
Advertising with an attitude: an aesthetic, emotional and intellectual experience - on the art Career track Berniece Patterson A. Introduction The main purpose of this article is to show how advertisements are specific made to ensure the audience tha
WPUNJ - COMM - 101
Social Context and Culture: Linking Use and Digital Libraries Elfreda A. Chatman University of North Carolina at Chapel Hill A. Introduction In this article Elfreda Chatman has conducted research which has focused on the information needs and seeking
Lehigh - PHYSIC - 2
Lecture-23 Examples Solutions HW-23-5. (HRW 34-33) In Fig. 34-38, a beam of parallel light rays from a laser is incident on a solid transparent sphere of index of refraction n. (a) If a point image is produced at the back of the sphere, what is the i
Lehigh - PHYSIC - 2
Lecture-23 Geometrical Optics - continued Lensmaker's equationSnell's law givesand1 n 2 4 n 3Parallel linesR2h1 1 sin 1 = ; R1 h h2 ; and 2 R2 f Also from figure, weR1have = 1 - 2 = 3 - =Or,4n- ( 1- 2) =n+n
Virginia Tech - MATH - 3214
WPUNJ - COMM - 101
More Than Rumors. Understanding the Organizational Grapevine Zaremba, Alan David Spodofora A. Introduction This paper discusses the development, accuracy, resilience, and management of the grapevine. Since grapevines do not develop by managerial desi
Virginia Tech - MATH - 2224
Math 2224 CRN 974201Math 2224 Multivariable Calculus CRN 97420Class Meeting Time: Monday, Wendsday, Friday 12:20PM 1:10PM McBryde 307 Instructor: Zlatko Drmac, McBryde 440, phone 2317533, email: zlatko@math.vt.edu Office hours: Monday, Wendsday
Virginia Tech - MATH - 3134
Prufer Code Problems 1. Construct the Prufer Code for the tree.2. Construct trees that are represented by the following Prufer Codes. What conclusions can you draw about isomorphism as related to the codes? (a) [6, 6, 4, 4, 4, 1] (b) [6, 4, 4, 6, 4
Virginia Tech - CS - 2606
CS 2606 Data Structures & OO Devel IIHomework 1: ComplexityYou will submit your solution to this assignment to the Curator System (as HW1). Your solution must be either a plain text file (e.g., NotePad) or a MS Word document; submissions in other
Virginia Tech - CS - 2606
CS 2606 Data Structures & OO Devel IIHomework 3: Secondary StoragePrepare your answers to the following questions either in a plain text file or in a file that can be opened with Microsoft Word. Submit your file to the Curator system (www.cs.vt.e
CofC - ENGLISH - 102
English 102 E. Baker Benjamin DeMott Summary In Benjamin DeMott's response to William Faulkner's "Barn Burning" story, he focuses on Abner Snopes' character. The title of his response is Abner Snopes as a Victim of Class so it is evident that he sees
Mississippi State - FIN - 3123
Solutions to End-of-Chapter ProblemsAccounting-Based Methods A8-1. a. If the computers are depreciated on a straight-line basis, depreciation will be $5,000 per year for 4 years. Contribution to net income will be: Year 1 2,500 Year 2 4,100 Year 3 4
Mississippi State - FIN - 3123
Chapter 9 Cash Flow and Capital BudgetingAnswers to End-of-Chapter ProblemsTypes of Cash Flows A9-1. Depreciation A/T ($) 3 7 20 Present Values ($) a. 3 b. 7 c. 20PV of Depr. Tax Savings A9-2. End of Year Depr. % Depr.$1,414,802 $1,226,481 $752
UC Davis - ANT - 001
Jeong 1 Susanna Jeong Professor Henry M. McHenry Amy Porter Anthropology 124 October 2007 Sickle-Cell Anemia Outline1) Introduction a) Basic introductory information regarding sickle-cell anemia b) Basic introduction of the topic of the paper, he
Mississippi State - FIN - 3123
Chapter 10 Risk and Capital BudgetingSolutions to End-of-Chapter ProblemsChoosing the Right Discount Rate A10-1. a. Krispy Kreme's cost of equity is= 14% b. If inflation causes a 1% increase in the risk-free rate, the firm's cost of equity will dec
UC Davis - LIN - 001
Jeong 1Prescriptive and Descriptive GrammarSusanna Jeong Alison Rukeyser Cory Messings Linguistics 1 Section 5 February 4, 2008Jeong 2 Human language is an ever-growing entity that naturally changes in time to correspond to the ever-changing li
UC Davis - LIN - 001
Jeong 1 Susanna Jeong Intro to Linguistics Alison Rukeyser Cory Messing March 3, 2008Universal GrammarHumans possess the ability to use language, a system of communication, that is characteristically creative and unique, which allows for an unlimi
UC Davis - WLD - 57
Jeong 1 Susanna Jeong Professor Rosalinda Salazar WLD ENG 57 15 October 2007 Learning English, The Malcolm X Way Even in contemporary society, many high school students struggle to learn the most basic English skills. Malcolm X was no different. Dist
U. Houston - PHYS - 1322
Lecture 2Lecture 2Law of Electrical Force Charles-Augustin Coulomb 1785" The force between two small charged spheres is proportional to the product of the charges and inversely proportional to the square of the distance between the centers of the
Texas A&M - POLS - 2302
Class NotesState Court Organization 1) Courts of limited jurisdiction Texasmunicipal courts/ jurisprudence courts Minor cases Most state courts tend to look alike Courts of limited are called municipal or justice of the peace courts in towns and ci
U. Houston - PHYS - 1322
Lecture 3Lecture 3 Lecture 3Last week: Coulomb's LawF10 =q1q0 ^ r10 2 4 0 r10 1FF20r10q0^ r10q1F10q2SuperpositionF = F10 + F20 + .An Exampleqo, q1, and q2 are point charges qo = -1C at (1,3)cm, q1 = 3C at (1,0)cm, q2 = 4C
U. Houston - PHYS - 1322
Lecture 4Lecture 4 What is a Field?A FIELD is something that can be defined anywhere in space It is a mathematical concept that represents a physical property It can be a scalar field (e.g., Temperature field) Only a magnitude is defined It can be
U. Houston - PHYS - 1322
Lecture 5Lecture 5 Lecture 5 Yesterday we introduced electric field and electric field lines Today we will cover some more topics on Electric Fields Dipoles Motion of a charge in an electric field Continuous charge distributionsR2RQuestion
U. Houston - PHYS - 1322
Lecture 6Quiz, Thursday and FridayGroup quiz Thursdayc a1 problem done in your group Individual quiz Friday 2 problems plus 5 multiple choice Problems on chapters 21-22 You may bring in one side of paper with notes Per group in the group quiz Pe
Texas A&M - POLS - 2302
Project 1: Team 4ACADIA BANKLoan Officers: Marybel Zabel, Marcella Aguilar, Javier ChapaApril 2, 2008IntroductionTable of Contents Introduction -1 Background Information -1 Basic Probability -1 Database --1 Conditional Probability -1 Expecte
Rutgers - PHYSICS - 203
Chapter 1: Introduction to Physics5. Picture the Problem: This is a dimensional analysis question. Strategy: Manipulate the dimensions in the same manner as algebraic expressions. Solution: Substitute dimensions for the variables:v 2 = 2ax pp m m
Rutgers - PHYSICS - 203
02-203-07hwk-Ch021Chapter 2: One-Dimensional Kinematics Solutions to Problems3. Picture the Problem: The ball is putted in the positive direction and then the negative direction. Strategy: The distance is the total length of travel, and the disp
Rutgers - PHYSICS - 203
Chapter 3: Vectors in PhysicsAnswers to Even-Numbered Conceptual Questions2. Vectors A , G , and J are all equal to one another. In addition, vector I is the same as vector L .Solutions to Problems1. Picture the Problem: The press box is 38.0 ft
Texas A&M - MATH - 1324
Loan Workout ProjectTeam 4Math 1324.003April 4, 2008Apr. 4Acadia Bank Loan InformationTable of ContentsINTRODUCTION . 3 BACKGROUND INFORMATION .. 3 BASIC PROBABILITY AND EXPECTED VALUE . 4 DATABASE . 6 CONDITIONAL PROBABILITY AND EXPECTED
Rutgers - PHYSICS - 203
03-203-07hwk-Ch041Chapter 4: Two-Dimensional Kinematics Solutions to Problems7. Picture the Problem: The arrow falls below the target center as it flies from the bow to the target. Strategy: Treat the vertical and horizontal motions separately.
Rutgers - PHYSICS - 203
Chapter 5: Newton's Laws of Motion4. Picture the Problem: The billiard ball is accelerated along a straight line. Strategy: Find the acceleration from the initial and final speeds and from the time interval. Use the known acceleration to find the av
Texas A&M - MATH - 1324
MATH 1324 LOAN PROJECT SECTION 003: TEAM 4 NAME OF BORROWER: G&H Upholstery & Interiors YEARS OF EXPERIENCE: 9 EDUCATION: High School ECONOMY CONDITION: NormalLOAN INFORMATION Full Value of Loan $8,000,000 Foreclosure Value of Loan $3,997,000 Defau
Rutgers - PHYSICS - 203
Chapter 6: Applications of Newton's LawsSolutions to Problems4. Picture the Problem: The book slides in a straight line across the top of the tabletop. Strategy: The minimum force required to get the book moving is related to the maximum coefficien
Michigan State University - CEP - 261
CEP 261 SUBSTANCE ABUSE Assignments & ActivitiesWeekly Mini-Presentations Quizzes Lectures Can You Connect Large group discussionPeriodically Small Group Activities Films Film Responses Guest Speakers Guest Speaker ResponsesSignificant Assignme