30 The slit in a double slit interference illuminated by a

Last updated: 6/27/2023

30 The slit in a double slit interference illuminated by a light of wavelength 600 nm A thin transparent sheet of thickness t is placed in front of one of the slits The number of fringe shifting is plotted across the refractive index u of the sheet as given The value of t is N No of fringe shifted 60 50 40 30 20 10 0 25 0 50 0 75 1 00 1 25 1 50 1 75 2 00 1 2 4 m 2 24 m 3 4 8 m