Newton realized directed to the prism beam of small cross-section. A beam of sunlight was held in a darkened room through a small hole in the shutter. INTERFERENIYA SVETAInterferentsiya light - a special case of addition of waves, in which at some points the waves reinforce each other and at other points of the waves cancel each other out. Interferes only coherent waves. Newton rings in the reflected light formed by the interference of light reflected from the upper and lower limits of the air gap between the convex surface of the lens and glass plate. The optical path difference of interfering rays is equal to: where - the thickness of the air gap.
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