4 In Young s double slit experiment the slits are 0 5 mm

Last updated: 6/10/2023

4 In Young s double slit experiment the slits are 0 5 mm apart and interference is observed on a screen placed at a distance of 100 cm from the slits It is found that the 9th bright fringe is at a distance of 8 135 mm from the dark fringe from the center pattern Find the wavelength of light used Ans 5890 A