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2014-07-27T17:52:22+05:30

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After the rain a number of small droplets of water remain suspended in the air. Each drop acts as a small prism. When sunlight falls on these drops the white light spills into seven colours. The dispersed light from a large number of drops forms a continuous band of seven colours( Violet, Indigo, Blue, Green, Yellow, Orange, Red) 
This coloured band is called a RAINBOW.
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2014-07-27T17:53:47+05:30
The rainbow is a splitting of seven colours  VIOLET, INDIGO, BLUE, GREEN, YELLOW, ORANGE, AND RED ..... called spectrum and it could be seen after a rain when the light of sun falls on the small droplets in the sky it gives out seven colour
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