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Physics of a Rainbow

Physics of a Rainbow. For simplicity purposes, let’s consider the raindrop round and the sun is emitting only one ray. A sunray is really made up of many colors! Those we can see are called the visible spectrum. REFRACTION (Snell’s Law).

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Physics of a Rainbow

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  1. Physics of a Rainbow

  2. For simplicity purposes, let’s consider the raindrop round and the sun is emitting only one ray.

  3. A sunray is really made up of many colors! Those we can see are called the visible spectrum

  4. REFRACTION (Snell’s Law)

  5. The white light is separating because as light enters, it slows down. Different colors refract differently

  6. REFLECTION

  7. REFRACTION AGAIN!!!

  8. Reflection and Magnification off interior wall of rain Incoming Ray of Sunlight 42° Red Refraction <40° Violet Angles are crucial (Snell’s Law)

  9. Ta-Da!!!

  10. QUESTION • Why does the rainbow “disappear” when you get closer to it, making it impossible to find the pot of gold????

  11. θ between 42 and 40 θ between 42 and 40

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