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Selasa, 20 April 2010

Explanation

Name : Indra Agrianto K.
SRN : 2201408049


How the Rainbow Happen

The light that we see coming from the sun or an electric light bulb appears to be clear and white. But it is really made up of bands or waves of colors. If we "bend" light through a round or angled surface we can break up the white beam into its colors. You can see this happen in soap bubbles, a diamond or other clear stones cut into triangular shapes or in a cut glass ornament or crystal. The rainbow is made when the light from the sun enters the drops of falling water and is reflected back to us from the other side of the water drop.
There are seven colors which combine to make white light. These seven colors are called the Spectrum. We have already met six of these colors when we talked about the three prime colors and the colors that came between them when we mixed them.
You get rainbows when the sun's rays are reflected through raindrops, At one time or another we have all seen a rainbow. Rainbows happen when the sun is shining while it is raining or just after a storm. It appears in the part of the sky directly opposite to the sun. So you must stand with your back to the sun to see it. The lower the sun is to the horizon, the higher the arch of the rainbow will be.





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