how will you arrange two convex lensa so that a parallel ray of light remains parallel after passing

Asked by manoj255 | 1st Jan, 2010, 08:59: PM

Expert Answer:

Place the two converging or convex lens, one after another so that sepration distance between their optical centres be equal to the sum total of their focal lengths.




Answered by  | 2nd Jan, 2010, 03:21: PM

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