How are rainbows created?
Understand the Problem
The question is asking about the process involved in the formation of rainbows, specifically the scientific explanation behind it, including elements like light refraction, dispersion, and reflection in water droplets.
Answer
Rainbows are created by sunlight refracting through water droplets, separating into colors.
Rainbows are formed when sunlight is refracted, or bent, by water droplets in the atmosphere. This causes the sunlight to separate into its constituent colors, producing a multicolored arc visible to an observer.
Answer for screen readers
Rainbows are formed when sunlight is refracted, or bent, by water droplets in the atmosphere. This causes the sunlight to separate into its constituent colors, producing a multicolored arc visible to an observer.
More Information
When sunlight enters and exits a water droplet, refraction bends the light. Inside the droplet, light reflects off the back surface, contributing to the visible spectrum. External observers see rainbows when the angles align to redirect light into their line of sight.
Tips
A common mistake is assuming rainbows form only during or after rain showers; they can form in mist, spray, or dew given the right conditions.
Sources
- Rainbow - National Geographic Education - education.nationalgeographic.org
- What Causes a Rainbow? | NOAA SciJinks – All About Weather - scijinks.gov
- How are rainbows formed? - Met Office - metoffice.gov.uk
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