Rainbow Physics

By Anupum Pant

There’s much more to a rainbow than it is usually told to us in our basic science classes. There are double rainbows, complete circular rainbows and what not. Physics girl explains…

For example, have you noticed that the sky above the rainbow is darker, while under it the sky is brighter. I didn’t know that! There’s complex combination of reflections and refractions taking place inside droplets which causes this. I can’t even explain it in text.

It doesn’t stop at double rainbows. Did you know, if it wasn’t for the sun;s mighty glare, you might have been able to see tertiary and quaternary rainbows too. Stacker rainbows are for some other time…

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