6. In the ideal version of Young's double-slit experiment, two point sources interfere with each other creating an interference pattern on a screen. Suppose this experiment is performed in air using red light, and then the entire apparatus is immersed in water. Describe what happens to the interference pattern? Explain how the interference pattern seen in water is different from the one seen in air. Use equations to support your answer.
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- As shown the viewing screen in a double-slit experiment with monochromatic light. Fringe C is the central maximum.a. What will happen to the fringe spacing if the wavelength of the light is decreased?b. What will happen to the fringe spacing if the spacing between the slits is decreased?c. What will happen to the fringe spacing if the distance to the screen is decreased?d. Suppose the wavelength of the light is 500 nm. How much farther is it from the dot on the screen in the center of fringe E to the left slit than it is from the dot to the right slit?1. Pick True/False for each statement: To experimentally see the interference pattern in Young's double slit experiment, a) the barriers creating diffraction or interference are on the scale of a wavelength of light. True False b) the two slits can be lit with different sources. True False c) the light is monochromatic. True FalseThe spacing between two slits is 5.90×10^-3 m in a Young's double slit experiment. The distance from the slits to the screen is 1.00 m, and the distance from the central bright maximum to the third maxima is 2.50x10^-4 m. Determine the wavelength of the incident light used in the experiment. Include a labelled diagram.
- Draw a diagram. Determine the wavelength and frequency of the light emitted from the source.Pattern A, a single-slit interference pattern viewed on a screen using a monochromatic source, is changed to pattern B. Both are shown below. Pattern A Pattern B Which of the following changes could explain the change in the pattern? a. The screen is moved closer. b. The width of the slit is increased. c. The frequency of the source is decreased. d. The wavelength of the source is decreased. e. The intensity of the source is increased.10. A ray of light with a wavelength of 480 nm strikes a very thin soap film of thickness 2.00 nm, with air on each side of the film. Which statement is true? a. There will be constructive interference because the path difference is effectively zero, and phase change occurs at only one surface. b. There will be destructive interference because the path difference is effectively zero, and phase change occurs at only one surface. c. There will be constructive interference because the path difference is effectively zero, and phase change occurs at either surface. d. There will be destructive interference because the path difference is effectively zero, and phase change does not occur at either surface.
- 6. Structures on a hummingbird feather act like a diffraction grating having 8000 lines per centimeter. What is the angle of the first-order maximum for 488-nm light? 2 7. When red light illuminates a grating with 7000 lines per centimeter, its second maximum is at 62.4°. What is the wavelength of this light?3. A single slit is used to create an interference pattern on a screen using light. Consider the statements that follow with respect to the pattern generated: I. A longer wavelength of light generates a wider central maximum. II. When using white light, the outer fringes are coloured. III. A narrower slit generates a wider central maximum. Which of the above statements is/are incorrect? a. b. c. I only I and II only I and III only d. e. I, II, and III noneAn air gap exists between two glass plates (n = 1.55). %3D a. Determine the minimum width of the air gap if orange light (495TH2) is strongly reflected. b. Determine the minimum width of the air gap if blue light (660TH2) is not reflected at all. c. Determine the minimum width of the air gap if orange light is strongly reflected AND blue light is not reflected at all.
- 3. In a double slit experiment, the distance between the slits is d=1 mm. A screen is situated at a distance of 2.5 m from the slits. Point P is at a distance of 25 cm from O', as in Figure. O' is the orthogonal projection of the center between the slits (0) on the screen. Monochromatic light with frequency v= 550 THz is used in this experiment. (a) Calculate the intensity of light at point P. (b) Calculate the angle ZP00'. (c) Calculate the location of the first three maxima with respect to point O'. (d) Calculate the location of the first three minima with respect to point O'. BONUS: You now consider that each slit has width a =0.05 mm. Calculate the intensity of light at point P. P.You have been tasked with designing an anti-reflective coating for a camera lens. If the material you are using for the thin film, the antireflective coating has an n=1.38, and a coating is designed to eliminate reflected light of 550 nm in air when incident normally on glass (n=1.50), what thickness should the film be? A: what color would the lens look like B: why does this effect indicate that light behaves like a wave I already know the thickness, it is 99.6. I need help with parts A and B.