Chapter #34 Solutions - University Physics with Modern Physics Volume 2 (Chapters 21-40) - Gary Westfall, Wolfgang Bauer - 2nd Edition

1cc. Blocks of two different transparent materials are sitting in air and have identical light rays of the same wavelength incident on them at the same angle. Examining the figure, what can you say about the speed of light in these two blocks?...a) The speed of light is the same in both blocks.b) The speed of light is greater in the block on the left.c) The speed of light is greater in the block on the right.d) The relative speed of light in the two blocks cannot be determined from the information given. Get solution

1mcq. Suppose the distance between the slits in a double-slit experiment is 2.00 · 10–5 m. A beam of light with a wavelength of 750 nm is shone on the slits. What is the angular separation between the central maximum and an adjacent maximum?a) 5.00·10–2 radb) 4.50·10–2 radc) 3.75·10–2 radd) 2.50·10–2 rad Get solution

2cc. A light ray passes through a stack of transparent plastic blocks, as shown in the figure. Which of the blocks has the highest index of refraction?...a) 1b) 2c) 3d) They all have the same index of refraction.e) The answer cannot be determined from the information given. Get solution

2mcq. When two light waves, both with wavelength λ and amplitude A, interfere constructively, they produce a light wave of the same wavelength but with amplitude 2A. What is the intensity of this light wave?a) same intensity as the original wavesb) double the intensity of the original wavesc) quadruple the intensity of the original wavesd) Not enough information is given. Get solution

3cc. In a Young’s double-slit experiment where L = 1.0 m and d = 0.10 cm, light with a wavelength of 500. nm is used. There is a dark fringe at 0.75 mm to the left of the center of the diffraction pattern on the screen. What will happen to the intensity of the light at this location if one of the slits is covered up?a) The intensity will decrease.b) The intensity will increase.c) Nothing will happen to the intensity.d) It depends on which of the two slits is covered up. Get solution

3mcq. A laser beam with wavelength 633 nm is split into two beams by a beam splitter. One beam goes to mirror 1, a distance L from the beam splitter, and returns to the beam splitter, while the other beam goes to mirror 2, a distance L + ∆x from the beam splitter, and returns to the beam splitter. The beams then recombine and travel to a detector together. If L = 1.00000 m and ∆x = 1.00 mm, which best describes the kind of interference observed at the detector? (Hint: To double-check your answer, you may need to use a formula that was originally intended for combining two beams in a different geometry.)a) purely constructiveb) purely destructivec) mostly constructived) mostly destructivee) neither constructive nor destructive... Get solution

4cc. If the same coating material of the same thickness as in Example 34.1 were used on a different lens with an index of refraction less than that of the coating, the result would bea) reduced reflection and thus more light entering the lens than would occur without the coating.b) enhanced reflection and thus less light entering the lens than would occur without the coating.c) the same amount of light entering the lens as would do so without the coating.d) no light at all (or close to none) entering the lens.Example 34.1 Lens Coating......... Get solution

4mcq. Which type of the light incident on a grating with 1000 rulings with a spacing of 2.00 µm would produce the largest number of maxima on a screen 5.00 m away?a) blue light of wavelength 450 nmb) green light of wavelength 550 nmc) yellow light of wavelength 575 nmd) red light of wavelength 625 nme) need more information Get solution

5cc. A thin soap film with index of refraction n = 1.35 hanging in air reflects predominantly red light with λ = 682 nm. What is the minimum thickness of the film?a) 89.5 nmb) 126 nmc) 198 nmd) 302 nme) 432 nm Get solution

5mcq. If the wavelength of light illuminating a double slit is halved, the fringe spacing isa) halved.b) doubled.c) not changed.d) changed by a factor of ... Get solution

6cc. With single-slit diffraction, how does the intensity of the second-order maxima depend on the wavelength of the light?a) The intensity rises linearly with the wavelength.b) The intensity increases as the square of the wavelength.c) The intensity is proportional to the sine of the wavelength.d) The intensity decreases as the inverse of the wavelength squared.e) The intensity is independent of the wavelength. Get solution

6mcq. A red laser pointer shines light with a wavelength of 635 nm on a diffraction grating with 300 slits/mm. A screen is placed a distance of 2.0 m behind the diffraction grating to observe the diffraction pattern. How far away from the central maximum will the next bright spot be on the screen?a) 39 cmb) 76 cmc) 94 cmd) 4.2 me) 9.5 m Get solution

7cc. Imagine placing a circular disk in a beam of monochromatic coherent light. If diffraction occurs at the edge of the disk, the center of the shadow of the disk on a screen isa) a bright spot.b) darker than the rest of the shadow.c) bright or dark, depending on the distance between the disk and the screen.d) as dark as the rest of the shadow, which is less dark than it would be if there were no diffraction. Get solution

7mcq. Newton’s rings are interference patterns caused by the reflection of light between two glass surfaces. What color is the center of Newton’s rings produced with white light?a) whiteb) blackc) redd) violet Get solution

8cc. You are driving your car and listening to music on the radio. Your car is equipped with AM radio ( f ≈ 1 MHz), FM radio ( f ≈ 100 MHz), and XM satellite radio ( f = 2.3 GHz). You enter a tunnel with a circular opening of diameter 10 m. Which kind of radio signal will you be able to receive the longest as you continue to move into the tunnel?a) AMb) FMc) XM Get solution

8mcq. In Young’s double-slit experiment, both slits were illuminated by a laser beam and the interference pattern was observed on a screen. If the viewing screen is moved farther from the slits, what happens to the interference pattern?a) The pattern gets brighter.b) The pattern gets brighter, and the maxima are closer together.c) The pattern gets less bright, and the maxima are farther apart.d) There is no change in the pattern.e) The pattern becomes unfocused.f) The pattern disappears. Get solution

9cc. Figure 34.39 shows that the diffraction pattern from a grating has bright spots that are widely separated. By contrast, the double-slit pattern in Figure 34.36 has broad maxima closely spaced. Why?a) because the condition for constructive interference is fulfilled for only a very few angles for a gratingb) because the condition for destructive interference is almost always fulfilled for a gratingc) (a) and (b)d) because the slits in the grating are so smalle) none of the aboveFigure 34.39 The diffraction pattern produced on a screen by green laser light incident on a diffraction grating with grating spacing nl = 787 slits/cm. The spots corresponding to the central maximum, to m = ±1, and to m = ±2 are shown....Figure 34.36 Photograph of the intensity pattern produced by a double slit illuminated by green light from a laser is below the graph of the intensity of the light. The central lines extends above the plotted scale in the vertical direction but have been cut off to allow the lower-intensity lines to be visible. The predicted intensity pattern is shown for a = 0.0452 mm, d = 0.300 mm, and λ = 532 nm. The dashed lines mark the diffraction minima.... Get solution

9mcq. Light of wavelength = 560.0 nm enters a block of clear plastic from air at an incident angle of θi = 36.1° with respect to the normal. The angle of refraction is θr = 21.7°. What is the speed of the light inside the plastic?a) 1.16·08 m/sb) 1.31·08 m/sc) 1.67·08 m/sd) 1.88·08 m/se) 3.00·08 m/s Get solution

10mcq. Huygens’s Principle says that each point of a wave front in a slit is a point source of light emitting a spherical wavelet. A Huygens construction appliesa) to any point anywhere in the path of the wave front.b) to any point in the path of the wave front where matter is present.c) only in slits. Get solution

11mcq. If Huygens’s Principle holds everywhere, why does a laser beam not spread out?a) All the light waves that spread in the perpendicular direction from the beam interfere destructively.b) It does spread out, but the spread is so small that we don’t notice it.c) Huygens’s Principle isn’t true in general; it only applies to slits, edges, and other obstacles.d) Lasers employ additional special beams to keep the main beam from spreading. Get solution

12mcq. A pair of thin slits is separated by a distance d = 1.40 mm and is illuminated with light of wavelength 460.0 nm. What is the separation between adjacent interference maxima on a screen a distance L = 2.90 m away?a) 0.00332 mmb) 0.556 mmc) 0.953 mmd) 1.45 mme) 3.23 mm Get solution

13cq. What happens to a double-slit interference pattern ifa) the wavelength is increased?b) the separation between the slits is increased?c) the experimental apparatus is placed in water? Get solution

14cq. Estimate the frequency of an ultrasonic (sound) wave for which diffraction effects would be as small as they are for visible light. Get solution

15cq. Why are radio telescopes so much larger than optical telescopes? Does an X-ray telescope also have to be larger than an optical telescope? Get solution

16cq. Can light pass through a single slit narrower than its wavelength? If not, why not? If so, describe the distribution of the light beyond the slit. Get solution

17cq. One type of hologram consists of bright and dark fringes produced on photographic film by interfering laser beams. If the hologram is illuminated with white light, the image will be reproduced multiple times, in different pure colors at different sizes.a) Explain why.b) Which colors correspond to the largest and smallest images, and why? Get solution

18cq. A double slit is positioned in front of an incandescent light bulb. Will an interference pattern be produced? Get solution

19cq. Many astronomical observatories, especially radio observatories, are coupling several telescopes together. What are the advantages of this? Get solution

20cq. In a single-slit diffraction pattern, there is a bright central maximum surrounded by successively dimmer higher-order maxima. Farther away from the central maximum, eventually no more maxima are observed. Is this because the remaining maxima are too dim? Or is there an upper limit to the number of maxima that can be observed, no matter how good the observer’s eyes, for a given slit and light source? Get solution

22cq. A red laser pointer shines on a diffraction grating, producing a diffraction pattern on a screen behind the grating. If the red laser pointer is replaced with a green laser pointer, will the green bright spots on the screen be closer together or farther apart than the red bright spots were? Get solution

23. A helium-neon (He-Ne) laser has a wavelength of 632.8 nm.a) What is the wavelength of this light as it passes through Lucite with index of refraction n = 1.500?b) What is the speed of the light in the Lucite? Get solution

24. It is common knowledge that the visible light spectrum extends approximately from 400 nm to 700 nm. Roughly, 400 nm to 500 nm corresponds to blue light, 500 nm to 550 nm corresponds to green, 550 nm to 600 nm to yellow-orange, and above 600 nm to red. In an experiment, red light with a wavelength of 632.8 nm from a He-Ne laser is refracted into a fish tank filled with water (with index of refraction 1.333). What is the wavelength of the laser light in water, and what color will it have in water? Get solution

25. What minimum path length difference is needed to cause a phase shift of π/4 in light of wavelength 700. nm? Get solution

26. Coherent, monochromatic light of wavelength 450.0 nm is emitted from two locations and detected at another location. The path length difference between the two routes taken by the light is 20.25 cm. Will the two light waves interfere destructively or constructively at the detection point? Get solution

27. A Young’s double-slit experiment is performed with monochromatic green light (λ = 540 nm). The separation between the slits is 0.100 mm, and the interference pattern on a screen has the first side maximum 5.40 mm from the center of the pattern. How far away from the slits is the screen? Get solution

28. For a double-slit experiment, two 1.50-mm-wide slits are separated by a distance of 1.00 mm. The slits are illuminated by laser light with wavelength 633 nm. If a screen is placed 5.00 m away from the slits, determine the separation of the bright fringes on the screen. Get solution

29. Coherent monochromatic light with wavelength λ = 514 nm is incident on two thin slits that are separated by a distance d = 0.500 mm. The intensity of the radiation at a screen 2.50 m away is 180.0 W/cm2. Determine the position y1/3 at which the intensity at the central peak (at y = 0) drops to I0/3 (where I0 is the intensity at θ = 0°).... Get solution

30. In a double-slit experiment, He-Ne laser light of wavelength 633 nm produced an interference pattern on a screen placed some distance from the slits. When one of the slits was covered with a thin glass slide of thickness 12.0 µm, the central bright fringe shifted to the point occupied earlier by the 10th dark fringe (see the figure). What is the index of refraction of the glass slide?... Get solution

32. White light (400. nm n = 1.33). There is a thin (100.0 nm thick) layer of oil (n = 1.47) on top of the water. What wavelengths of light would you see reflected? Get solution

33. Some mirrors for infrared lasers are constructed with alternating layers of hafnia and silica. Suppose you want to produce constructive interference from a thin film of hafnia (n = 1.90) on BK-7 glass (n = 1.51) using infrared radiation of wavelength 1.06 µm. What is the smallest film thickness that would be appropriate, assuming that the laser beam is oriented at right angles to the film? Get solution

35. White light shines on a sheet of mica that has a uniform thickness of 1.30 µm. When the reflected light is viewed using a spectrometer, it is noted that light with wavelengths of 433.3 nm, 487.5 nm, 557.1 nm, 650.0 nm, and 780.0 nm is not present in the reflected light. What is the index of refraction of the mica? Get solution

36. A single beam of coherent light (λ = 633 · 10–9 m) is incident on two glass slides, which are touching at one end and are separated by a 0.0200-mm-thick sheet of paper on the other end, as shown in the figure. Beam 1 reflects off the bottom surface of the top slide, and beam 2 reflects off the top surface of the bottom slide. Assume that all the beams are perfectly vertical and are perpendicular to both slides, that is, the slides are nearly parallel (the angle is exaggerated in the figure); the beams are shown at angles in the figure so that they are easier to identify. Beams 1 and 2 recombine at the location of the eye. The slides are 8.00 cm long. Starting from the left end (x = 0), at what positions, xbright, do bright bands appear to the observer above the slides? How many bright bands are observed?... Get solution

37. A common interference setup for seeing Newton’s rings consists of a plano-convex lens placed on a plane mirror and illuminated from above at normal incidence with monochromatic light. In an experiment using a plano-convex lens with focal length f = 80.00 cm and index of refraction nl = 1.500, the radius of the third bright circle is found to be 0.8487 mm. Determine the wavelength of the monochromatic light. Get solution

38. A Michelson interferometer is used in a class of commercially available optical instruments called wavelength meters. In a wavelength meter, the interferometer is illuminated simultaneously with parallel beams from a reference laser of known wavelength and an unknown laser. The movable mirror of the interferometer is then displaced by a distance ∆d, and the number of fringes produced by each laser and shifting past a reference point (a photo detector) is counted. In a given wavelength meter, a red He-Ne laser (λRed = 632.8 nm) is used as a reference laser. When the movable mirror of the interferometer is displaced by a distance ∆d, the shifting of ∆NRed = 6.000 · 104 red fringes and ∆Nunknown = 7.780 · 104 fringes is observed by the photo detector.a) Calculate the wavelength of the unknown laser.b) Calculate the displacement, ∆d, of the movable mirror. Get solution

39. Monochromatic blue light (λ = 449 nm) is beamed into a Michelson interferometer. How many fringes shift on the screen when the movable mirror is moved a distance d = 0.381 mm? Get solution

41. Light of wavelength 653 nm illuminates a single slit. If the angle between the first dark fringes on either side of the central maximum is 32.0°, what is the width of the slit? Get solution

42. An instructor uses light of wavelength 633 nm to create a diffraction pattern with a slit of width 0.135 mm. How far away from the slit must the instructor place the screen in order for the full width of the central maximum to be 5.00 cm? Get solution

43. What is the largest slit width for which there are no minima when the wavelength of the incident light on the single slit is 600. nm? Get solution

44. Plane microwaves are incident on a single slit of width 2.00 cm. The second minimum is observed at an angle of 43.0°. What is the wavelength of the microwaves? Get solution

45. The Large Binocular Telescope (LBT), on Mount Graham near Tucson, Arizona, has two 8.4-m-diameter primary mirrors. The mirrors are centered a distance of 14.4 m apart, thus producing a mirror with an effective diameter of 14.4 m. What is the minimum angular resolution of the LBT for green light (λ = 550 nm)? Get solution

46. A canvas tent has a single, tiny hole in its side. On the opposite wall of the tent, 2.0 m away, you observe a dot (due to sunlight incident upon the hole) of width 2.0 mm, with a faint ring around it. What is the size of the hole in the tent? (Assume a wave length of 570 nm for the sunlight.) Get solution

47. Calculate and compare the angular resolutions of the Hubble Space Telescope (aperture diameter, 2.40 m; wavelength, 450. nm), the Keck Telescope (aperture diameter, 10.0 m; wavelength, 450. nm), and the Arecibo radio telescope (aperture diameter, 305 m; wavelength, 0.210 m). Assume that the resolution of each instrument is limited by diffraction. Get solution

48. The Hubble Space Telescope is capable of resolving optical images to an angular resolution of 2.80 · 10–7 rad with its 2.40-m mirror (see Figure 34.33). How large would a radio telescope have to be in order to image an object with the same resolution, assuming that the wavelength of the radio waves emitted by the object is 10.0 cm?Figure 34.33 The main mirror of the Hubble Space Telescope has a diameter of 2.4 m. The hyperbolic shape of the mirror is precise to 32 nm, which means that if the mirror were the size of Earth, any bumps in the glass would be 17 cm high or less.... Get solution

49. Think of the pupil of your eye as a circular aperture 5.00 mm in diameter. Assume you are viewing light of wavelength 550. nm, to which your eyes are maximally sensitive.a) What is the minimum angular separation at which you can distinguish two stars?b) What is the maximum distance at which you can distinguish the two headlights of a car mounted 1.50 m apart? Get solution

50. A red laser pointer shines light with a wavelength of 635 nm on a double slit, producing a diffraction pattern on a screen that is 1.60 m behind the double slit. The central maximum of the diffraction pattern has a width of 4.20 cm, and the fourth bright spot is missing on both sides. What is the width of the individual slits, and what is the separation between them? Get solution

51. A double slit is opposite the center of a 1.8-m-wide screen that is 2.0 m away. The slit separation is 24 µm, and the width of each slit is 7.2 µm. How many bright fringes are visible on the screen, including the central maximum, if the slit is illuminated by 600.-nm light? Get solution

52. A two-slit apparatus is covered with a red (670-nm) filter. When white light shines on the filter, nine interference maxima appear on a screen, within the 4.50-cm-wide central diffraction maximum. When a blue (450-nm) filter replaces the red filter, how many interference maxima will there be in the central diffraction maximum, and how wide will that diffraction maximum be? Get solution

53. The intensity pattern observed in a two-slit experiment is presented in the figure. The red line represents the actual intensity measured as a function of angle, while the green line represents the envelope of the single-slit interference pattern...a) Determine the slit width a in terms of the wavelength λ of the light used in the experiment.b) Determine the center-to-center slit separation d in terms of thewavelength λ.c) Using the information in the graph, determine the ratio of slit width a to the center-to-center separation between the slits, d.d) Can you calculate the wavelength of light, actual slit separation, and slit width? Get solution

54. Two different wavelengths of light are incident on a diffraction grating. One wavelength is 600. nm, and the other is unknown. If the third-order bright fringe of the unknown wavelength appears at the same position as the second-order bright fringe of the 600.-nm light, what is the value of the unknown wavelength? Get solution

55. Light from an argon laser strikes a diffraction grating that has 7020 slits per centimeter. The central and first-order maxima are separated by 0.332 m on a wall 1.00 m from the grating. Determine the wavelength of the laser light. Get solution

56. A 5.000-cm-wide diffraction grating with 200 slits is used to resolve two closely spaced lines (a doublet) in a spectrum. The doublet consists of two wavelengths, λa = 629.8 nm and λb = 630.2 nm. The light illuminates the entire grating at normal incidence.Calculate to four significant digits the angles θ1a and θ1b with respect to the normal at which the first-order diffracted beams for the two wavelengths, λa and λb, respectively, will be reflected from the grating. Note that this is not 0°! What order of diffraction is required to resolve these two lines using this grating? Get solution

57. A diffraction grating has 4.00·103 slits/cm and has white light (400.–700. nm) incident on it. What wavelength(s) will be visible at 45.0°? Get solution

59. How many slits per centimeter must a grating have if there are to be no second-order maxima or minima for any visible wavelength (400.–700. nm)? Get solution

60. Many times, radio antennas occur in pairs. They then produce constructive interference in one direction while producing destructive interference in another direction—acting as a directional antenna—so that their emissions don’t overlap with nearby stations. How far apart at a minimum should a local radio station, operating at 88.1 MHz, place its pair of antennas operating in phase so that no emission occurs along a line 45.0° from the line joining the antennas? Get solution

61. A laser produces a coherent beam of light that does not spread (diffract) as much in comparison to light from other sources, like an incandescent bulb. Lasers therefore have been used for very accurate measurements of large distances, such as the distance between the Moon and the Earth. In one such experiment, a laser pulse (wavelength of 633 nm) is fired at the Moon. What should be the size of the circular aperture of the laser source in order to produce a central maximum of 1.00-km diameter on the surface of the Moon? The distance between the Moon and the Earth is 3.84 · 105 km.... Get solution

62. A diffraction grating with exactly 1000 slits per centimeter is illuminated by a He-Ne laser of wavelength 633 nm.a) What is the highest order of diffraction that could be observed with this grating?b) What would be the highest order if there were exactly 10,000 slits per centimeter? Get solution

63. The thermal stability of a Michelson interferometer can be improved by submerging it in water. Consider an interferometer that is submerged in water, measuring light from a monochromatic source that is in air. If the movable mirror moves a distance d = 0.200 mm, exactly N = 800 fringes are shifted on the screen. What is the original wavelength (in air) of the monochromatic light? Get solution

64. A Blu-ray player uses a blue laser that produces light with a wavelength in air of 405 nm. If the disc is protected with polycarbonate (n = 1.58), determine the minimum thickness of the disc for destructive interference. Compare this value to that for CDs illuminated by infrared light. Get solution

65. An airplane is made invisible to radar by coating it with a 5.00-mm-thick layer of an antireflective polymer with index of refraction n = 1.50. What is the wavelength of the radar waves for which the plane is made invisible? Get solution

66. Coherent monochromatic light passes through parallel slits and then onto a screen that is at a distance L = 2.40 m from the slits. The narrow slits are a distance d = 2.00·10–5 m apart. If the minimum spacing between bright spots is y = 6.00 cm, find the wavelength of the light. Get solution

67. Determine the minimum thickness of a soap film (n = 1.32) that would produce constructive interference when illuminated by light of wavelength 550. nm. Get solution

68. You are making a diffraction grating that is to be used to resolve the two spectral lines in the sodium D doublet, at wavelengths of 588.9950 nm and 589.5924 nm, by at least 2.00 mm on a screen that is 80.0 cm from the grating. The rulings are to cover a distance of 1.50 cm on the grating. What is the minimum number of rulings you should have on the grating? Get solution

69. A Michelson interferometer is illuminated with a 600.-nm light source. How many fringes are observed to shift one of the mirrors of the interferometer is moved a distance of 200.µm? Get solution

70. What is the smallest object separation you can resolve with your naked eye? Assume that the diameter of your pupil is 3.5 mm and that your eye has a near point of 25 cm and a far point of infinity. Get solution

71. With a telescope with an objective of diameter 12.0 cm, how close can two features on the Moon be and still be resolved? Take the wavelength of the light to be 550. nm, near the center of the visible spectrum. Get solution

72. There is air on both sides of a soap film. What is the smallest thickness that the soap fillm (n = 1.420) can have and appear dark if illuminated with 500.-nm light? Get solution

73. X-rays with a wavelength of 1.00 nm are scattered o. two small tumors in a human body. If the two tumors are a distance of 10.0 cm away from the X-ray detector, which has an entrance aperture of diameter 1.00 mm, what is the minimum separation between the two tumors that will allow the X-ray detector to determine that there are two tumors instead of one? Get solution

75. White light is shone on a very thin layer of mica (n = 1.57), and above the mica layer, interference maxima for light of two wavelengths (and no other in between) are seen: 516.9 nm and 610.9 nm. What is the thickness of the mica layer? Get solution

76. A Newton’s ring apparatus consists of a convex lens with a large radius of curvature R placed on a . at glass disc. (a) Show that the horizontal distance x from the center, the thickness d of the air gap, and the radius of curvature R are related by x2 = 2Rd. (b) Show that the radius of the nth constructive interference ring is given by .... (c) How many bright rings may be seen if the apparatus is illuminated by red light of wavelength 700. nm with R = 10.0 m and the plane glass disc diameter 5.00 cm? Get solution

77. In a double-slit experiment, the slits are 2.49 · 10–5 m apart. If light of wavelength 477 nm passes through the slits, what will be the distance between the third-order and fourth-order bright fringes on a screen 1.23 m away? Get solution

78. In a double-slit experiment, the slits are 3.41 · 10–5 m apart. The distance between the second-order and third-order bright fringes on a screen 1.63 m away is 2.30 cm. What is the wavelength of the light? Get solution

79. A double-slit experiment using light of wavelength 485 nm produces an interference pattern on a screen that is 2.01 m away from the slits. The distance between the first-order and third-order maxima on the screen is measured to be 4.50 cm. What is the separation between the slits? Get solution

80. A double-slit experiment using light of wavelength 489 nm produces an interference pattern on a screen. The slit separation is 1.25 · 10–2 mm.The distance between the first-order and fourth-order maxima on the screen is measured to be 28.05 cm. What is the distance between the slits and the screen?... Get solution

81. The single-slit diffraction pattern shown in the figure was produced with light of wavelength 495 nm. The screen on which the pattern was projected is located a distance of 2.77 m from the slit.The slit has a width of 2.73 mm. What is the width w of the central maximum? Get solution

82. The single-slit diffraction pattern shown in the figure was produced with light from a laser. The screen on which the pattern was projected is located a distance of 3.17 m from the slit. The slit has a width of 0.555 mm. The width of the central maximum is w = 5.81 mm. What is the wavelength of the laser light? Get solution

83. The single-slit diffraction pattern shown in the figure was produced with light of wavelength 503 nm. The screen on which the pattern was projected is located a distance of 3.55 m from the slit. The width of the central maximum is w = 5.71 mm. What is the width of the slit? Get solution

84. The single-slit diffraction pattern shown in the figure was produced with light of wavelength 507 nm incident on a slit of width 0.693 mm. The width of the central maximum is w = 5.75 mm. How far is the screen on which the pattern was projected from the slit? Get solution


Chapter #40 Solutions - University Physics with Modern Physics Volume 2 (Chapters 21-40) - Gary Westfall, Wolfgang Bauer - 2nd Edition

1cc. Which isotope X is needed to complete the reaction ...a) ...b) ...c) ...d) ...e) ... Get solution 1mcq. Radium-226 decays by e...