define refraction of light. how the light should propagate to reflect. Given suitable reason for your answer. refractive index of water is 1.33 what does it mean.
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Answer:
- Light rays change direction when they reflect off a surface, move from one transparent medium into another, or travel through a medium whose composition is continuously changing. The law of reflection states that, on reflection from a smooth surface, the angle of the reflected ray is equal to the angle of the incident ray. (By convention, all angles in geometrical optics are measured with respect to the normal to the surface—that is, to a line perpendicular to the surface.
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Explanation:
refraction of light means bending of light when light is travelled from one medium to another which have different refractive indices...
By saying that the refractive index of water is 1.33 we mean that the ratio of speed of light in air (or vacuum) to the speed of light in water is equal to 1.33
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