Snell's law proof using springs: Brachistochrone - Part 2 of 2

The video tutorial introduces Snell's Law, explaining how light bends when transitioning between media due to speed changes. It references Fermat's Principle, which states that light travels the fastest path. The tutorial discusses optimizing light's path by balancing time spent in different media, using Mark Levy's energy minimization approach. This involves a hypothetical setup with springs to derive Snell's Law, highlighting the principle of minimizing total energy.

What is Snell's Law and how does it relate to the bending of light?

Explain Fermat's Principle and its significance in the context of light traveling through different media.

Describe the relationship between the speed of light in different media and the path light takes.

How does the concept of potential energy relate to the path of light as described in the text?

What does Snell's Law state about the relationship between the angles of incidence and refraction?