Lab 10-Converging Lenses

Lab 10-Converging Lenses - Introductory Converging...

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Experiment Introductory Optics System Converging Lens -Image and Object Relationshie§. - EQUIPMENT NEEDED: -Optics Bench -75 mm Focal Length Convex Lens -Component Holders (3) Crossed Arrow Target -Light Source -Crossed Arrow Target -Viewing Screen. Viewing Screen Figure 7.1: Equipment Setup Introduction Given a lens of any shape and index of refraction, you could determine the shape and location of the images it forms based only on the Law of Refraction. You need only apply the law along with some of the ray tracing techniques you have already used. However, for spherical lenses (and for spherical mirrors as well), there is a more general equation that can be used to determine the location and magnification of an image. This equation is called the Fundamental Lens equation: lid + lid. = lIf o I where f is the focal length of the lens, and do and d, are the distance from the mirror to the image and object respectively (see Figure 7.1). The magnification of the image is given by the equation: rn =
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Lab 10-Converging Lenses - Introductory Converging...

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