What are laws of refraction ?
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The angle of incidence is the angle between the incident ray and the normal; denoted as 'i'. The angle of refraction is the angle between the refracted ray and the normal; denoted as 'r'. The ratio of the sine of the angle of incidence and sine of the angle of refraction is constant
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The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.
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