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15y ago

because there are only those colors in the visible light spectrum. When you see colors on the table from the window, it's because there is water on the window and it disperses the light which separates the white light and turns it into colors. i hope this helps you!

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12y ago

A rainbow has different colors because of refraction. When light passes from one material into another, it is bent slightly. In the case of a rainbow, sunlight is passing from air into the water droplets that are left behind during or after a rain shower. When the light passes into the water droplets, the red light is bent slightly less than the other colors of light while the blue and purple light is bent slightly more. The result is that the colors are separated and that you see them separately, as you would if you passed the light through a prism, and you end up with a rainbow.

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11y ago

After a big storm, tiny water droplets still hang high in the air. White light reflects off the water crystals and forms color.

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13y ago

The water droplet creates a prism and when the light shines through it colours appear.

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Q: Why does a rainbow have different colours?
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