| 11. | What we want to do is explore the refractions of that relationship.
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| 12. | It is some trick of light-refraction and reflection.
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| 13. | In the index of refraction, magnetization and chemical composition.
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| 14. | Refraction is the phenomenon of a wave changing its speed.
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| 15. | Typical oils used have an index of refraction around 1.515.
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| 16. | The effect of refraction by the ionosphere are strongly affected.
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| 17. | Green flashes are enhanced by mirage, which increase refraction.
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| 18. | Outside the visual wavelength range, refraction will be different.
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| 19. | Snell's law for refraction requires that these terms be equal.
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| 20. | This would alter some of the ABCD matrices, especially for refraction.
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