What is rainbow? - ✮ A rainbow is a natural spectrum of seven colors formed in the sky due to the dispersion, refraction, total internal reflection of sunlight by raindrops, How is a rainbow formed? - ✮ A rainbow is formed when sunlight enters a raindrop, gets refracted and dispersed into its component colors, internally reflected inside the drop, and then refracted again when it comes out. This process forms a circular arc of colors in the sky., Which phenomena are involved in the formation of a rainbow? - ✮ The formation of a rainbow involves: ✮ Refraction ✮ Dispersion ✮ Total internal reflection, Why do we see different colors in a rainbow? - ✮ Because white sunlight is made up of seven colors, and each color bends differently (dispersion), we see all seven colors separated in a rainbow,

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