Labels:bar | barrel | brass | clock | door | person OCR: Interference makes up some of the most beautiful colours and patterns lin the world, A pigmented surface always looks the same, but the wings of.a butterfly or a film of oil floating on wa ter, can look differ rent The colours change depending on the angle of the object or observer. This occurs because 'iridescent co laurs are produced by the shape of separate surfaces that are tiny distance apart The surfaces reflect. light in a special way, making the light rays interfere with each other different faces lighi
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