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Like water drops in falling rain, the CD separates white light into all the colors that make it up. The colors you see reflecting from a CD are interference colors, like the shifting colors you see on a soap bubble or an oil slick.

You can think of light as as being made up of waves-like the waves in the ocean. When light waves reflect off the ridges on your CD, they overlap and interfere with each other. Sometimes the waves add together, making certain colors brighter, and sometimes they cancel each other, taking certain colors away.

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Why do the undersides of CDs have rainbow colours?

The rainbow-like colors on the undersides of CDs are caused by the interference of light waves as they pass through the thin layers of the CD's surface. The patterns are formed due to the way the layers are structured and reflect light. It's a result of the physics of light interacting with the surface of the CD.


Why does cameras and binoculars need prism?

because prisms reflect images and light for an image into colors of a rainbow


Number or colors on a rainbow?

If I'm not mistaking, but I believe there are 7 colors on a Rainbow.


How is refraction work durning a rainbow?

Refraction during a rainbow occurs when sunlight enters a raindrop, bends or changes speed, and separates into its individual colors due to their different wavelengths. The colors then reflect off the inside surface of the raindrop, before exiting and dispersing further as a visible rainbow.


Why is it that white light can reflect the 7 colors of the rainbow?

It doesn't. Light doesn't reflect other things; light can be reflected (by a mirror, for example). White light is a mixture of all colors of visible light. In a rainbow, or prism, it is separated into its components.


What objects are made up of all the colors of the rainbow?

Every thing. some objects reflect some colors(the colors that we see) and absorb all others(the ones we don't see). the colors that are reflected and blend to make all the different colors.


How can I create a beautiful display of colors by making a rainbow?

To create a beautiful display of colors like a rainbow, you can use a prism or water droplets to refract sunlight into its different wavelengths, which will create the spectrum of colors. This can be done by shining sunlight through a prism or creating a mist of water droplets to reflect and refract the light.


What are the primary colors of the rainbow?

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What do you call in a band of colors as seen in a rainbow?

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Does a real diamond reflect other colors?

Diamond reflects all the colours of the rainbow and all the shades in between, based in its natural mineral qualities.


Are rainbow colors the colors of peace?

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What happens when the colors of a double rainbow are reversed?

When the colors of a double rainbow are reversed, it means that the outer rainbow will have the colors in the opposite order compared to the inner rainbow. This phenomenon occurs due to the reflection and refraction of sunlight within raindrops, creating a secondary rainbow with reversed colors.