Two lenses are mounted in a tube such that the distance
Two lenses are mounted in a tube such that the distance between them can be varied. This device can be used as either a telescope or a compound microscope. One lens (the objective) has a focal length of 52.5 cm. What is the magnification achieved?
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two lenses are mounted in a tube such that the distance between them can be varied this device can be used as either a
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