Ray diagrams

The video tutorial explores the concepts of reflection and refraction using ray diagrams. It explains how light behaves when it encounters different surfaces, detailing the angles of incidence and reflection. The tutorial also covers how light changes direction when passing through different media, known as refraction, and the associated angles. Examples include how water appears shallower and how a straw looks bent in a glass of water. The video concludes by summarizing the key points about reflection and refraction.

Describe how a rough surface affects the reflection of light.

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What is the significance of the normal line in ray diagrams for reflection and refraction?

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