In a setup like that in Figure 27.7, a wavelength of 625 nm is used in a Young's double-slit experiment. The separation between the slits is d-1.4× 105 m. The total width of the screen is 0.20 m. In one version of the setup, the separation between the double slit and the screen is LA=0.50 m, whereas in another version it is Lg = 0.37 m. On one side of the central bright fringe, how many bright fringes lie on the screen in the two versions of the setup? Do not include the central bright fringe in your counting. -m 3 (Bright fringe) Ө m=0 (Bright fringe) m=3 (Bright fringe) L Figure 27.7 A: Number of bright fringes Number B: Number of bright fringes Number i Units Units

In a setup like that in Figure 27.7, a wavelength of 625 nm is used in a Young's double-slit experiment. The separation between the slits is d-1.4× 105 m. The total width of the screen is 0.20 m. In one version of the setup, the separation between the double slit and the screen is LA=0.50 m, whereas in another version it is Lg = 0.37 m. On one side of the central bright fringe, how many bright fringes lie on the screen in the two versions of the setup? Do not include the central bright fringe in your counting. -m 3 (Bright fringe) Ө m=0 (Bright fringe) m=3 (Bright fringe) L Figure 27.7 A: Number of bright fringes Number B: Number of bright fringes Number i Units Units

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter35: Diffraction And Interference

Section: Chapter Questions

Problem 81PQ: Table P35.80 presents data gathered by students performing a double-slit experiment. The distance...

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In Figure P27.7 (not to scale), let L = 1.20 m and d = 0.120 mm and assume the slit system is illuminated with monochromatic 500-nm light. Calculate the phase difference between the two wave fronts arriving at P when (a) = 0.500 and (b) y = 5.00 mm. (c) What is the value of for which the phase difference is 0.333 rad? (d) What is the value of for which the path difference is /4?
In Figure P36.10 (not to scale), let L = 1.20 m and d = 0.120 mm and assume the slit system is illuminated with monochromatic 500-nm light. Calculate the phase difference between the two wave fronts arriving at P when (a) = 0.500 and (b) y = 5.00 mm. (c) What is the value of for which the phase difference is 0.333 rad? (d) What is the value of for which the path difference is /4? Figure P36.10
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