Athin film of oil of thickness t is floating on water. the oil has index of refraction no = 1.4. there is air above the oil. when viewed from the air in the direction normal to the surface, there is constructive interference of reflected red light with lambda = 675 nm. find the minimum thickness t of the oil film that will give constructive interference of reflected light with lambda = 675 nm.
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Athin film of oil of thickness t is floating on water. the oil has index of refraction no = 1.4. the...
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