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A thin flake of transparent material (n = 1.40) is used to cover one slit of a double-slit interference arrangement. The central point on the screen is now occupied by what had been the 3 th bright side fringe (m = 3). If λ = 668 nm, what is the thickness of the flake in meters? Number Units

A thin flake of transparent material (n = 1.40) is used to cover one slit of a double-slit interference arrangement. The central point on the screen is now occupied by what had been the 3 th bright side fringe (m = 3). If λ = 668 nm, what is the thickness of the flake in meters? Number Units

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A thin flake of transparent material ( n = 1.40 ) is used to cover one slit of a double-slit interference arrangement. The central point on the screen is now occupied by what had been the 3 th bright side fringe ( m = 3 ) . If λ = 668 n m , what is the thickness of the flake in meters?
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