In a Young's double-slit experiment using light of wavelength λ, a thin piece of Plexiglas having index of refraction n covers one of the slits.

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In a Young's double-slit experiment using light of wavelength λ, a thin piece of Plexiglas having index of refraction n covers one of the slits. If the center point on the screen is a dark spot instead of a bright spot, what is the minimum thickness of the Plexiglas? (Use any variable or symbol stated above as necessary.)
t =

asked Apr 14, 2012 in Physics by Gummmys ~Expert~ (1,105 points)
    

1 Answer

+2 votes

Will post steps later when i have time, here's the solution in case anyone needs it right away.

 

answered Apr 21, 2012 by Roar3215 ~Expert~ (1,318 points)

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