Task 40837.
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- Physics
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- 14.04.2016 21:37:28
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- Юрий Физик · about the seller and their products
DESCRIPTION
Task 40837.
The converging lens with a focal length of 6 cm gives a divergent beam of light, the angle between the extreme rays of the beam 2a = 90 °. Find the distance from the point light source to the lens if its radius of 3 cm.
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The solution formulas and the laws of recording used in the decision, drawing, calculation formula and the withdrawal response.
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