Solving a problem in physics section 13 paragraph 46 qu

Solving a problem in physics section 13 paragraph 46 qu

46. The picture area of S = 2 x 2 m2 shoot camera mounted on it at a distance of a = 4,5 m. The size of the image will s = 5 x 5 cm2. Find the focal length F of the lens unit. The distance from the lens to the pattern count large compared with the focal length.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)