Recent content by John Connors
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Graduate How Far Must Someone Fall in a Cylinder to See the Entrance as a Dot of Light?
Draw a cylinder, with diameter D and length/height infinity, mark the top point Y and the bottom point Z Now Say a person falls into this cylinder/hole. (there are equal sources of light emitting into each end of the tube) From the falling person's perspective the point Z looks like an...- John Connors
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- Interesting Optics optics problem
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- Forum: Optics