May 29, 2016

Homework Help: physics

Posted by Zachary on Wednesday, March 27, 2013 at 10:32pm.

A certain LCD projector contains a single thin lens. An object 23.5 mm high is to be projected so that its image fills a screen 1.87 m high. The object-to-screen distance is 3.05 m.
(a) Determine the focal length of the projection lens.
(b) How far from the object should the lens of the projector be placed in order to form the image on the screen?

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