7. GO In a setup like that in Figure 27.7, a wavelength of 625 nm is nsed in a Young's double-slit experiment. The separation between the slits is d = 1.4 X 10-5 m. The total width of the screen is 0.20 m. In one ver sion of the setup, the separation between the double slit and the screen is LA = 0.35 m, whereas in another version it is LB 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 0.50 m. On one side %3D %3D your counting.

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Chapter4: Diffraction
Section: Chapter Questions
Problem 38P: A monochromatic light of wavelength 589 nm incident on a double slit with slit width 2.5 m and...
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7. GO 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 ie
d = 1.4 X 10-5 m. The total width of the screen is 0.20 m. In one ver
%3D
sion of the setup, the separation between the double slit and the screen is
LA = 0.35 m, whereas in another version it is LB
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.
= 0.50 m. On one side
%3D
Transcribed Image Text:7. GO 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 ie d = 1.4 X 10-5 m. The total width of the screen is 0.20 m. In one ver %3D sion of the setup, the separation between the double slit and the screen is LA = 0.35 m, whereas in another version it is LB 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. = 0.50 m. On one side %3D
-m = 3 (Bright fringe)
y
d = 1.20 x 10 4 m
m = 0 (Bright fringe)
y
-m 3 (Bright fringe)
L 2.75 m-
%3D
D).
279
Transcribed Image Text:-m = 3 (Bright fringe) y d = 1.20 x 10 4 m m = 0 (Bright fringe) y -m 3 (Bright fringe) L 2.75 m- %3D D). 279
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