A rainbow is a meteorological phenomenon that is caused by reflection, refraction, and dispersion of light in water droplets, resulting in a spectrum of light appearing in the sky. It is a beautiful natural occurrence that can be observed after a rain shower when the sun is shining.
When sunlight enters a raindrop, it is refracted, or bent, and then reflected off the inside surface of the raindrop. This causes the light to be dispersed into its constituent colors - red, orange, yellow, green, blue, indigo, and violet - creating a circular arc of colors in the sky.
Rainbows are not only a beautiful sight but also a fascinating natural phenomenon that can be studied and understood through the principles of physics and meteorology. By exploring the formation, colors, and cultural significance of rainbows, we can gain a deeper appreciation for the wonders of the natural world.