A thin plastic sheet of refractive index 1 6 is used to

Last updated: 6/10/2023

A thin plastic sheet of refractive index 1 6 is used to cover one of the slits of a double slit arrangement The central point on the screen sis now occupied by what would have been the 7th bright fringe before the plastic was used If the wavelength of light is 600 nm what is the thickness in um of the plastic A 7