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Papers > Science > optics
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1. Fiber Optic History
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optics |
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... The Law of Reflection- angle of incidence of a wave hitting a surface equals the angle of reflection normal- line perpendicular to a surface( that is, forms a 90 degrees angle with the surface) incident ray - ray of light that arrives at a mirror or enters a substance angle of incidence - angle between the incoming ray and the normal angle of reflection - angle between the reflected ray and the normal point of incidence - point where a light ray arrives at a mirror or enters a substance mirror- a smooth surface that reflects light (reflections can be seen in it); especially, a piece of glass coated with silver on the back; looking glass Fibre optics - thin flexible tubing with an inner surface that reflects light: used in optical devices concave mirror- reflecting surface that is curved inwards like the inside of a bowl or a spoon; thinner in the middle and thicker at the edges A concave mirror produces images different from those that a plane mirror produces. |
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Paper Information |
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Title: optics
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