Rainbow again

Classical Mechanics Level 2

The photo of this beautiful rainbow has been taken at the Montmorency Falls in Canada. Notice that outside of the brighter inner rainbow there is another fainter rainbow and that its colors are in reverse order. Why is this?

The reason is because for the outside rainbow the light is scattered _______________ . \text{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_}.

by more water droplets by fewer water droplets twice inside the water droplets

Laszlo Mihaly by Laszlo Mihaly , 57, USA

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2 solutions

Laszlo Mihaly
Sep 20, 2018

from wikipedia

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Moostazi Maisha
Sep 20, 2018

Visible light spectrum is seen "white" when all 7 colours travel at same speed... due to the droplets or we can say obstruction scattering of speedy light occurs, due to different energy of 7 colours... here the simplest explanation for the second rainbow is that presence of continous waterdroplets is acting as a mirror n thus reflecting the first... OR as change in media of different density is the main reason for scattering, presence of excessive droplets (as it's near a cliff n it was pretty windy too!) caused already scattered light to once again get into nearest droplet and just changed the direction. Now I'm not an expert, so i can't tell only due to double scattering causes perfect reverse to occur...anyone to put light on this? :V ;D

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