Determine the focal length which the lens require


A slide projector requires to create a 98 cm-high image of a 2 cm tall slide. The screen is around 300 cm from the slide.

i) Determine the focal length which the lens require? Suppose that it is a thin lens.

ii) Determine how far must you position the lens from the slide?

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Physics: Determine the focal length which the lens require
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