Problem:
A certain LCD projector contains a single thin lens. An object 23.8 mm high is to be projected so that its image fills a screen 1.76 m high. The object-to-screen distance is 2.99 m.
Required:
Question 1: Determine the focal length of the projection lens.
Question 2: How far from the object should the lens of the projector be placed to form the image on the screen?
Note: Show supporting computations in good form.