4 Two slits are separated by a distance of 1 mm are

Last updated: 6/24/2023

4 Two slits are separated by a distance of 1 mm are illuminated with red light of wavelength 6 5 x 10 7 metre The interference fringes are observed on a screen placed 1 metre away from the slits The distance between 3rd dark fringe and fifth bright fringe is equal to 1 0 65 mm 3 323 m 2 1 63 mm 4 468 mm