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Old Dec 7th 2009, 02:03 PM   #1
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Question smallest overall image

A point source of white light is located 3 meters from the lens in the previous problem, on its axis. The locations of the point images are at different places for different colors because of chromatic aberration so that the combined image is a circle. If the aperture of the lens has a diameter of 2 cm, what is the diameter of the smallest overall image of the point source that the lens creates?
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Old Dec 7th 2009, 10:46 PM   #2
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Firstly you must post your attempt.

Secondly what is

located 3 meters from the lens in the previous problem

supposed to mean?

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Old Jan 31st 2015, 05:57 AM   #3
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optics

phyricsquest is right. pls repost for understanding.
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