Question

What is Refraction of Light in Ray Optics?​

Answer 1

Refraction of light refers to the change in direction of a ray of light when it travels from one medium to another. Refraction of light is one of the most common types of phenomenon but various other waves like water waves and sound waves also experience refraction.

Example:

For example, the figure below shows a ray of light travelling from a medium of air to that of water.

Answer 2

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Law of refractionThe law of refraction, or Snell's law, predicts the angle at which a light ray will bend, or refract, as it passes from one medium to another. ... When light passes into a denser medium, the ray is bent toward the normal.

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