define refraction of light with ray diagram
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Refraction is the bending of a wave when it enters a medium where its speed is different. We can define it as the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Laws of refraction state that: ... This is also known as Snell's law of refraction.
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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.
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