What happens when light hits a new material?

Absorption and reflection | Waves | Middle school physics | Khan Academy · 3:35 · Video: Khan Academy · Watch at the source

In short: This video explores how light behaves when it encounters a boundary. Depending on the material and the light's frequency, the energy may be reflected or absorbed.

Light travels in straight lines until it reaches the boundary of a material. At this intersection, its behavior is determined by the specific material it hits and the frequency of the light waves. This fundamental interaction results in two primary outcomes: absorption or reflection.

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