what are Newton's rings?use the condition for dark and bright rings that will be observed in reflected light to arrive at the expression for the radii of drak and bright fringes show that the fringes become close together as their order increase
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If monochromatic light is allowed to fall normally on the lens, and the film is viewed in reflected light, alternate bright and dark concentric rings are seen around the point of contact. These rings were first discovered by Sir Isaac Newton, hence named as Newton's Rings.
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