Rainbow Rainbow or bianglala are optical and meteorological symptoms in the form of parallel, multicolored light seen in the sky or other mediums. In the sky, a rainbow appears as a light arc with its tip pointing towards the horizon during a light rain. Pelangi can also be seen around heavy waterfalls. Sunlight is polycromatic light (consisting of many colors). The white color of sunlight is actually a combination of various lights with different wavelengths. The human eye is able to perceive at least seven colors contained in sunlight, which will be seen in the rainbow: red, orange, yellow, green, blue, indigo and violet. The wavelength of this light forms a band of parallel lines, each color with a color next to it. This ribbon is called the color spectrum. In the color spectrum, the red line is always on one side and blue and violet on the other, and this is determined by the difference in wavelength. Pelangi is a large, circular color spectrum arc that occurs due to refra...



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