At what distance from the lens of the projector with a

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Uploaded: 07.03.2016
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Description

At what distance from the lens of the projector with a focal length of 0.1 m need to put the screen so that the image on the screen was 50 times more subject on transparencies?

Additional information

Task 40818. Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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