Newton`s rings is a phenomenon in which an interference pattern is created by the reflection of light between two surfaces—a spherical surface and an adjacent flat surface. It is named after Isaac Newton, who first studied them in 1717. When viewed with monochromatic light, Newton`s rings appear as a series of concentric, alternating bright an.....
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in optics, a series of concentric light- and dark-coloured bands observed between two pieces of glass when one is convex and rests on its convex ... [2 related articles]
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http://www.britannica.com/eb/a-z/n/36
Colored rings which may be observed round the point of contact of a convex lens and a plane reflecting surface. Newton's rings are caused by the interference effects that occur between light waves reflected at the upper and lower surfaces of the air film separating the lens and the flat surface.
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In optics, an interference phenomenon seen (using white light) as concentric rings of spectral colours where light passes through a thin film of a transparent medium, such as the wedge of air between a large-radius convex lens and a flat glass plate. With monochromatic light (light of a single wavelength), the rings take the form of alternate l...
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the pattern of light interference produced by the contact of the convex surface of a lens with a plane glass plate, appearing as a series of concentric, alternately bright and dark rings, which are colored if the light source is white.
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