Why Does Light Refract or Bend When Going through Glass or Water?


Light refracts in water due to the passage through matters with different density. When moving from air to water, air is less dense while the water is more dense. Light then bends toward the normal.
Q&A Related to "Why Does Light Refract or Bend When Going through..."
The refraction occurs because when light hits glass or
Change in speed of the light in glass. Fermat showed that time is invariant in light paths. This results in Light following the Law of Signs. sin(Air Angle)/speed in air = sin( Glass
If you think of a plane landing on water, you can imagine that as soon as a part of it touched the water, it would tend to slow down. Of course, the plane is a single object, so a
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