Define Refraction ??
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The change in the direction of a wave when it passes from one medium to another is known as refraction.
The speed of light is faster in water. The Refractive index of water is 1.3 and the refractive index of glass is 1.5. From the equation n = c/v, we know that the refractive index of a medium is inversely proportional to the velocity of light in that medium. Hence, light travels faster in water.
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refraction is the change in direction of a wave passing from one medium to another or from a gradual change in medium . refraction of light is the most common observed phenomenon,but other waves such as sound wave and water waves also expirence refraction
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