All About Refraction | Shabbir Sir | UPSC CSE Preparation | Edukemy

Refraction of light is amongst the most well-known phenomena, but it also occurs in other waves such as sound and water. Optical devices like magnifying glasses, lenses, and prisms are made feasible through refraction. We can concentrate light on our retina due to refraction.

When light moves from one transparent medium to another transparent medium, such as air to water, refraction occurs. The frequency of the light wave does not change, but its wavelength and propagation velocity do. As a result, the light’s direction deviates, giving the impression to our eyes that the item between these methods is different from usual. The phenomena of refraction, on the other hand, happens only when the speeds of light propagation in the two directions are different.

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