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Magnifying Power of Compound Microscope #8211; Magnification produced by the compound microscope is given by m = v/u(D/f<sub>e</sub>) For relaxed eye, M<sub>∞</sub> = -v<sub>0</sub>/u<sub>0</sub>(D/F<sub>e</sub>) and length of microscope L<sub>∞</sub> = v<sub>0</sub> + f<sub>e</sub> when final image is formed at least distance of distance of distinct vision, then [M<sub>D</sub> = -v<sub>0</sub>/u<sub>0</sub>(1 + D/f<sub>e</sub>)] and length of microscope, L<sub>D</sub> = v<sub>0</sub> + u<sub>e</sub> Where, v<sub>0</sub> = Distance of first image from objective lens u<sub>0</sub> = Distance of object from objective lens f<sub>e</sub> = Focal length of eyepiece.
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