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Explain Newton's ring experiment and show that diameters of n th dark rings are proportional to square root of natural numbers.
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written 5.2 years ago by |
1. When a plano convex lens of large radius of curvature is placed on a glass plate, an air film is formed between the lower surface of the lens and upper surface of the plate.
2. The thickness of the film gradually increases from the point of contact outwards.
3. …