lab_37 - LAB #37 CONVERGING LENS: IMAGE AND OBJECT...

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LAB #37 CONVERGING LENS: IMAGE AND OBJECT RELATIONSHIPS 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 an equation that can be used to determine the location and magnification of an image. This is the Thin Lens equation : 1/d o + 1/d i = 1/f (1) where f is the focal length of the lens, and d o and d i are the distances from the center of the lens to the image and object respectively (see the illustration below). The magnification of the images is given by the equation: m = -d i /d o (2) Fig 1 APPARATUS: Optics Bench, Light Source, 75 mm Focal Length Convex Lens, Crossed Arrow Target, Component Holders (3),Viewing Screen. PROCEDURE:
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lab_37 - LAB #37 CONVERGING LENS: IMAGE AND OBJECT...

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