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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 16 - Wave Motion and Waves on a String > Interference fringes were produced in young’s double slit experiment using light of wave length 5000Å,When a film of material 2.5×10^−3cm thick was placed over over of the slits, the fringe pattern shifted by a distance equal to 20 fringe width. The refractive index of the material of the film is

Interference fringes were produced in young’s double slit experiment using light of wave length 5000Å,When a film of material 2.5×10^−3cm thick was placed over over of the slits, the fringe pattern shifted by a distance equal to 20 fringe width. The refractive index of the material of the film is

Interference fringes were produced in young's double slit experiment using light of wave length 5000Å the fringe pattern shifted by a distance equal to 20 fringe width. The refractive index of the material of the film is When a film of material 2.5×10^−3cm thick was placed over over of the slits