# Physics

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What would be the radius (φmax, in degrees) of a glass bow? The glass beads have an index of refraction n=1.5. We spread them out on the ground and we observe a glass bow as the sun is high in the sky.

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25.5

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Formula??

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30

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22.8

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23.5

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Pls tell other ans 1,2,4,5,6

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