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51. Paper area of S = 10 x 30 cm2 illuminated by a lamp emitting I = 100 cd, and on him falls 0.5% of all sent lamp light. Find the illumination E of the paper.
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- Content type File
- Content description 24,5 kB
- Added to the site 27.03.2014
Additional information
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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Massimo86
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Massimo86
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