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A rainbow is an optical phenomenon caused by refraction, internal reflection and dispersion of light in water droplets resulting in a continuous spectrum of light appearing in the sky. The rainbow takes the form of a multicoloured circular arc.
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- Red. Red is listed first because it is the first color in the rainbow’s arc. It also has the longest wavelength of any of the colors represented. It is a color packed with vibrancy and strong emotion.
- Orange. The second color of the rainbow, orange is a warm, vibrant color. It is typically a happy color that makes people feel friendly and comfortable.
- Yellow. Yellow is the happiest color in the rainbow. This color of sunshine represents energy and warmth. It is often associated with happiness, clear thinking, and communication.
- Green. Located in the middle of the rainbow, green is the color of life. Here in the West, it is also a color symbolizing wealth, which is why our money is green.
Oct 19, 2023 · Vocabulary. A rainbow is a multicolored arc made by light striking water droplets. The most familiar type rainbow is produced when sunlight strikes raindrops in front of a viewer at a precise angle (42 degrees). Rainbows can also be viewed around fog, sea spray, or waterfalls.
6 days ago · Learn about the scientific phenomenon of rainbow, caused by the refraction and reflection of light rays in water drops. Explore the colours, types, and features of rainbow and related waves.
- The Editors of Encyclopaedia Britannica
Learn how rainbows are formed by the dispersion and reflection of light from water drops, and why they have a specific color order. Watch a video and see examples, diagrams and questions about rainbows.
- 14 min
- Mahesh Shenoy
Learn how rainbows are formed by sunlight, water droplets, and optical processes. Discover the colors, shapes, and types of rainbows, and why they are curved and bright.