What focal length does the lens need

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Reference no: EM132111891

Question: A slide projector needs to create a 84 cm high image of a 2.0 cm tall slide. The screen is 240 cm from the slide. Assume that it is a thin lens.

(a) What focal length does the lens need? cm

(b) How far should you place the lens from the slide? cm

The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.

Reference no: EM132111891

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