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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
A rainbow is formed when white light is dispersed into its component colours which are red, orange, yellow, green, blue, violet and indigo. You usually see a rainbow after rain or at places near a waterfall because water droplets are suspended in the air, causing sunlight to disperse.
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