Thin film interference is the phenomenon that occurs when light waves reflect off the surfaces of a thin layer, such as soap bubbles or oil slicks, leading to the creation of colorful patterns. This effect arises due to the constructive and destructive interference of light waves, which is influenced by the thickness of the film and the angle of incoming light. The study of thin film interference showcases how light behaves as a wave, revealing insights into optical instruments and enhancing our understanding of wave properties.
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