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The magnification of a compound microscope is 30 and the focal length of its eye piece is 5cm. Calculate the magnification produced by the objective, when the image is to be formed at least distance to distinct vision (25cm)

Answer»

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Solution :(a) When FINAL image is FORMED at leat distance of distinct vision HTEN the magnifying power
`=M_(0)xx(1+D/(f_(E)))`
`30=M_(0)(1+25/5)`
`M_(0)=5`


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