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Practical physics (1922)

Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 456

An illustration from Practical physics, 1922, leaf 456
scope. The compound micro-scope is like the telescope in that thefront lens, or objective, forms a real imageof the object at the focus of the eyepiece.The size of the image PQ (Fig. 434)formed by the objective is as many timesthe size of the object PQ as v, the dis-tance from the objective to the… … 434. Tlie compoundmicroscope is practically the lengtli L of the micro-scope tube, and u is the focal length F of the objective. Whereverthis is the case, then, the magnifying power of the compound micro- . 2.5 L scoi )e IS • 1 j,f 398 IMAGE FORMATION The relation shows that in order to get a high…

Physics

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