Question

With a help of a ray diagram, state the meaning of refraction of light. State Snell’s law of refraction of light and also express it mathematically.​

Answer 1

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Refraction of light is defined as the bending of light when the light ray passes from one medium to another. Snell's law of refraction states that the ratio of Sine of the angle of incidence to the sine of refraction is constant for a given pair of media. . Refractive index of water with respect to air = 4/3.