Why violet light bends more than red when entering water

Waves: Light, Sound, and the nature of Reality · 24:58 · Video: Physics Videos by Eugene Khutoryansky · Watch at the source

In short: This video breaks down the fundamental physics of waves, exploring how light and sound behave in our world. It offers a clear look at the mechanics of reflection and refraction, correcting a common misconception about how different colors move through water.

The presentation explores the properties of quantum waves, sound waves, and light waves to explain how energy moves through different mediums. A key focus is the physics of refraction—the bending of waves—and how it applies to the visible spectrum.

Crucially, the video clarifies a frequent error regarding color behavior: violet light actually slows down more than red light when transitioning from air to water. Because it slows down more, violet light undergoes a sharper bend than red light during refraction.

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