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Introductory Physics Homework Help
Air wedge - why is reflection from top of first slide ignored?
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[QUOTE="Charles Link, post: 6814137, member: 583509"] You are correct, there is also a reflection of light from the top surface of the top glass, and a reflection of light from the bottom surface of the bottom glass, but this light generally is fairly constant in intensity and doesn't result in generating any kind of interference patterns. If the glass is a very special type with extremely parallel faces, then it might be necessary to consider these other surfaces, but otherwise that is not the case. Edit: There is another item that also needs to be considered to get any interference from these other two faces, and that is whether the source is sufficiently collimated. For the two inner surfaces, it is much easier to generate interference fringes, where the requirements aren't nearly as fussy. [/QUOTE]
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Introductory Physics Homework Help
Air wedge - why is reflection from top of first slide ignored?
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