Question

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What is Refraction ? ​

Answer 1

Answer:

Refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.

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Answer 2

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☞What is Refraction ?

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➢ Refraction is the bending of a wave when it passes from one medium to another. The bending is caused due to the differences in density between the two substances.

➢ “Refraction is the change in the direction of a wave passing from one medium to another.”

➢ Laws of refraction state that:

• The incident ray refracted ray, and the normal to the interface of two media at the point of incidence all lie on the same plane.
• The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. This is also known as Snell’s law of refraction.

$\frac{sin\:i}{sin\:r}=constant$

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