Two narrow parallel slits separated by 0 850 mm are illumi

Last updated: 6/26/2023

Two narrow parallel slits separated by 0 850 mm are illumi nated by 600 nm light and the viewing screen is 2 80 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 b What is the ratio of the intensity at this point to the intensity at the center of a bright fringe