What focal length should a pair of contact lenses have if
What focal length should a pair of contact lenses have if they are to correct the vision of a person with a near point of 57.3 cm? Assume that the near point distance is 25 cm.
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What focal length should a pair of contact lenses have if they are to correct the vision of a person with a near point of 57.3 cm Assume that the near point distance is 25 cm.
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A microscope has a 2.70-cm focal length eyepiece and a 0.630-cm objective lens. For a relaxed normal eye (assume a viewing distance of 25.0 cm), calculate the position of the object if the distance between the lenses is 13.5 cm
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