In Young's double slit experiment the fringe width obtained is 0.6cm , when light of wavelength
Channel: Doubtnut
Date: 2021-11-10

In Young's double slit experiment the fringe width obtained is 0.6cm , when light of wavelength 4800 `Å` is used. If the disatance between the screen and the slit is reduced to half, what should be the wavelength of light used to obtain fringes 0.0045 m wide ?