You are in charge of the projector in a movic theater. The film passes through a holder,
Question:
You are in charge of the projector in a movic theater. The film passes through a holder, and light from a bright bulb passes first through the film and then through a lens. You have several additional lenses that can be swapped out, and the position of the lens holder is easily adjustable, but moving the film holder seems more troublesome. A single film frame is \(20.00 \mathrm{~mm}\) tall. You notice that when the lens is placed \(100.0 \mathrm{~mm}\) from the film, a sharp image \(1450 \mathrm{~mm}\) tall is formed on the movic screen on the other side of the lens. This image is far too small, filling less than one-third of the screen. If the patrons do not see a much larger, well-focused image, you may be returned to your previous job making popcorn.
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