IYPT 2010, Задачи на турнира — Задача 8. Liquid light guide

IYPT 2010 in Vienna, Austria

Условие

A transparent vessel is filled with a liquid (e.g. water). A jet flows out of the vessel. A light source is placed so that a horizontal beam enters the liquid jet (see picture). Under what conditions does the jet operate like a light guide?

Side view of a transparent vessel partly filled with liquid; a curved jet flows out of a hole near its bottom left side and falls into a shallow tray below. A light source on the right sends a horizontal beam through the vessel into the jet opening.

Решение

Внимание: Непълно решение

Това е открита изследователска задача — официални решения не се публикуват.

Оригинал в Архива: 2010.pdf