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The interference fringes of Neon light, wavelength 574.0 nm, produced in a double-slit experiment are 0.37...

The interference fringes of Neon light, wavelength 574.0 nm, produced in a double-slit experiment are 0.37 ° apart. Find the angular fringe separation if the experiment is immersed in alcohol of refractive index 1.31

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Answer #1

given wavelength = 574 nm

   refractive index = 1.31

the formula for

angular fringe separation in Alcohol= .37/1.31 = 0.27 degree

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