Rainbow is an optical phenomenon that is caused by reflection of light in water droplets in the earth's atmosphere resulting in a spectrum of light appearing in the sky. Rainbow contains seven colours which are red, orange, yellow, green, blue, indigo and violet.
Rainbow is an optical phenomenon that is caused by reflection of light in water droplets in the earth's atmosphere resulting in a spectrum of light appearing in the sky. Rainbow contains seven colours which are red, orange, yellow, green, blue, indigo and violet.
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