Two narrow, parallel slits separated by 0.850 mm are illuminated by 570-nm light, and the viewing screen is 2.60 m away from the slits. (a) What is the phase difference between the two interfering waves on a screen at a point 2.50 mm from the central bright fringe? 9 rad (b) What is the ratio of the intensity at this point to the intensity at the center of a bright fringe? I Imax Can you use the small-angle approximation in this problem?
Two narrow, parallel slits separated by 0.850 mm are illuminated by 570-nm light, and the viewing screen is 2.60 m away from the slits. (a) What is the phase difference between the two interfering waves on a screen at a point 2.50 mm from the central bright fringe? 9 rad (b) What is the ratio of the intensity at this point to the intensity at the center of a bright fringe? I Imax Can you use the small-angle approximation in this problem?
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 82PQ
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