Light of wavelength is incident normally on a thin film The

Last updated: 6/13/2023

Light of wavelength is incident normally on a thin film The reflected light shows a minima for reflection The thickness of film is minimum possible Now the same film is placed in front of upper slit of the YDSE apparatus The fringe pattern shifts up by 7 5 mm the refractive index of material is Take D 5m d 0 1 mm 500nm A 1 25 B 2 5 C 1 5 D 1 75