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The sequence of optical processes that occur within a raindrop during rainbow formation, according to the chapter, is

Question
The sequence of optical processes that occur within a raindrop during rainbow formation, according to the chapter, is
reflection only, with no refraction
refraction and dispersion, then internal reflection, then refraction again as light exits
absorption followed by re-emission at a single wavelength
diffraction only
Answer
refraction and dispersion, then internal reflection, then refraction again as light exits
Detailed Explanation
The chapter describes that water droplets refract and disperse incident sunlight, then reflect it internally, and finally refract it again as it exits the raindrop.
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