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Rainbow, a series of concentric colored arcs that may be seen when light from a distant source—most commonly the Sun—falls upon a collection of water drops—as in rain, spray, or fog.
- The Editors of Encyclopaedia Britannica
19 de oct. de 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.
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. [1] The rainbow takes the form of a multicoloured circular arc. [2]
Rainbows are formed by the dispersion of light & reflection (not total internal reflection) from drops of water. The rainbow color sequence can be analyzed by drawing a ray diagram of the refraction of sunlight inside water drops.
- 14 min
- Mahesh Shenoy
The majestic, multicolored bows of light that lead to pots of gold and appear after rainstorms as if by magic—except it’s not magic, it’s physics! It might seem intimidating to unravel the secret of rainbows, but it’s actually really simple and so rewarding! First, here are a few facts.
What Are Rainbows? By Konstantin Bikos. A rainbow is a multicolored arc in the sky which appears when sunlight hits water droplets. How does it get its colors? Why is it curved? And what is at the end of the rainbow?
30 de abr. de 2024 · The Short Answer: A rainbow is caused by sunlight and atmospheric conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wavelengths--or colors.
