Hydrokinematics
Rotation of Rigid Bodies
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Engineering Physics I - Refraction Through Lenses
Refraction Through Lenses Lens: A lens is an object usually made of glass bounded by one or two spherical surfaces. Types of lens a . Convex lens or converging lens A lens is said to be converging lens if the width of beam decreases after refracting through it. It is thick at the middle and thin at the edge. b. Concave lens or diverging lens A lens is said to be diverging lens if the width of beam increases after refracting through it. It is thin at the middle and thick at the edge. Some terminologies: a. Center of curvature (C) : Center of curvature of a surface of a lens is defined as the center of that sphere that forms the lens. A lens consists of two radius of curvatures (C 1 and C 2 ). a. Optical center (c) : The geometrical center of lens is called optical center of lens. b . Principal axis ...
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