In Young's double slit experiment using monochromatic light the fringe pattern shifts by a certain distance on the screen when a mica sheet of refractive index 1.6 and thickness 1.964 microns is introduced in the path of one of the interfering waves. The mica sheet is then removed and the distance between the slits and the screen is doubled. It is found that the distance between successive maxima (or minima) now is the same as the observed fringe shift upon the introduction of the mica sheet. Calculate the wavelength of the monochromatic light used in the experiment
In Young's double slit experiment using monochromatic light the fringe pattern shifts by a certain distance on the screen when a mica sheet of refractive index 1.6 and thickness 1.964 microns is introduced in the path of one of the interfering waves. The mica sheet is then removed and the distance between the slits and the screen is doubled. It is found that the distance between successive maxima (or minima) now is the same as the observed fringe shift upon the introduction of the mica sheet. Calculate the wavelength of the monochromatic light used in the experiment
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Transcribed Image Text:In Young's double slit experiment using
monochromatic light the fringe pattern shifts by a
certain distance on the screen when a mica sheet
of refractive index 1.6 and thickness 1.964 microns
is introduced in the path of one of the interfering
waves. The mica sheet is then removed and the
distance between the slits and the screen is
doubled. It is found that the distance between
successive maxima (or minima) now is the same as
the observed fringe shift upon the introduction of
the mica sheet. Calculate the wavelength of the
monochromatic light used in the experiment
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