February 23, 2017

Homework Help: Physics

Posted by Abby on Saturday, March 26, 2011 at 4:53pm.

Two converging lenses with focal lengths 5 cm and 30 cm are placed 35 cm apart. Rays from a very distant object are impinged on the lens system parallel to the principal axis. What is the refractive power of the combination of these two lenses?

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