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Why are the fringes straight and parallel?
Prac.1Determine thickness of a paper by using interference fringes
Interference with air wedge
Lecture 26
7.1 An air-wedge experiment is used to find the thickness of a
A thin paper strip which has moved till 6 th dark fringe
How to determine diameter of a thin wire using Wedge shaped Film
Schematic view of the cross section of a wedge-shaped Fe film. The
ProGage Touch Thickness Tester
Thickness of a thin paper in an Air Wedge