how to know if we should use 2n 1 or 2n 1 In Young s double

Last updated: 6/24/2023

how to know if we should use 2n 1 or 2n 1 In Young s double slit experiment two slits are separated by 0 1 mm and they are 0 5 m from screen The wavelength of light used is 500 nm The distance between 7th maxima and 11th minima on screen is 1 6 7 mm 3 5 2 mm 2 4 3 mm 4 8 75 mm