Новое решение
en/13.2.3.md
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| + | ### Statement | ||
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| + | $13.2.3.$ [Insert the problem statement] | ||
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| + | ### Solution | ||
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| + | In the previous problem we proved that the apparent width of the aquarium will be $n$ times smaller than the real one. The angular size at large distances is inversely proportional to the distance $\to$ | ||
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| + | $$\alpha' = \alpha \frac{L+\frac{l}{n}}{L+l}$$ | ||
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| + | #### Answer | ||
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| + | [Insert a concise answer or boxed result] | ||
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| ### Statement | |||
| $13.2.3.$ [Insert the problem statement] | |||
| ### Solution | |||
| In the previous problem we proved that the apparent width of the aquarium will be $n$ times smaller than the real one. The angular size at large distances is inversely proportional to the distance $\to$ | |||
| $$\alpha' = \alpha \frac{L+\frac{l}{n}}{L+l}$$ | |||
| #### Answer | |||
| [Insert a concise answer or boxed result] | |||