Rainbow is a is the example of dispersion of Sunlight justify this statement by explaining with the help of labelled diagram list two essential condition for observing the rainbow
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More techical conditions:
1) The sun must be shining on some portion of the sky you see when you look in the oppositie direction. This almost always means it is shining on you, too, so you can see your shadow.
2) The sun must be no more than 40° above the horizon. If it were exactly 40°, the top of any rainbow would be just on the horizon and other atmospsheric effects would make it hard to see. So it needs to be lower than that to really see one.
1) The sun must be shining on some portion of the sky you see when you look in the oppositie direction. This almost always means it is shining on you, too, so you can see your shadow.
2) The sun must be no more than 40° above the horizon. If it were exactly 40°, the top of any rainbow would be just on the horizon and other atmospsheric effects would make it hard to see. So it needs to be lower than that to really see one.
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