Which of the following phenomena of light are involved in the formation of a rainbow?
Correct answer: D. All of the above
- A. Refraction
- B. Dispersion
- C. Total internal reflection
- D. All of the above
Explanation
Rainbows form when sunlight is refracted and dispersed into colours inside raindrops, then undergoes internal reflection before being refracted again as it exits. Thus all three listed optical effects are involved.
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