What Makes a Rainbow?
Answers
Answer:
White colour is actually a mix of several different colours. Each constituent colour of a rainbow is caused by a specific wavelength of light. When light hits a medium that forces it to slow down, the light ray bends, but not equally. Each wavelength bends by a certain amount, which causes the different coloured rays of light to exit the raindrop in slightly different directions. This results in the colours fanning out. When sunlight goes through droplets of water, the beam of light is split into the different colours that make up light. The same effect can be seen if you shine a light through a glass prism.
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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 takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.
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