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A secondary rainbow occurs when sunlight refracts into a water droplet and then has two internalreflections before refracting back into the air. The sketch shows the paths of a red and violet ray oflight, but it's not given which is which, only that the index of refraction of water is slightly higher forviolet than it is for red. Which color appears along the inner radius of the secondary rainbow?a) redb) violetc) it may be either red or violet depending on which direction the secondary rainbow is viewed fromd) secondary rainbows lead to merely a pot of silver
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