Recent content by surfahgirl

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    Building a microscope with two different power lenses

    Homework Statement You've been asked to build a 14X microscope from a 2X magnifying lens and a 5X magnifying lens. What will be the tube length of your microscope? Homework Equations Meye = 25/feye Mobj = -L/fobj M = (Meye)(Mobj) The Attempt at a Solution First, are you supposed to use the...
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    Finding sample distance from objective in a microscope with 160mm tube length

    Homework Statement A microscope with a tube length of 160 mm achieves a total magnification of 800X with a 40X objective and a 20X eyepiece. The microscope is focused for viewing with a relaxed eye. How far is the sample from the objective lens? Homework Equations M=(Meyepiece)(Mobjective)...
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    Lens positions to focus a 2.0 cm candle flame on a wall 2.1 m away

    ah..just realized that myself. that's so simple. i was definitely over thinking it. thanks!
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    Lens positions to focus a 2.0 cm candle flame on a wall 2.1 m away

    Homework Statement A 2.0--tall candle flame is 2.1 m from a wall. You happen to have a lens with a focal length of 37 cm . How many places can you put the lens to form a well-focused image of the candle flame on the wall? For each location, what are the height and orientation of the...
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