IYPT 2002, Задачи на турнира — Задача 4. Hazy

15th IYPT (2002)

Заглавие в източника

Source: iypt.org.ua, before Jan. 8, 2002
Selected at the Preparatory Seminar in Odessa on Oct. 11—14, 2001
Exemplary solutions for 2002 →

Условие

The colour of a distant forest appears not green, but hazy blue. What is the minimum distance at which this phenomenon is observed? How do weather conditions affect this? Is it possible that a forest can appear grey?

Решение

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Оригинал в Архива: 2002.txt