IYPT 2015, Задачи на турнира — Задача 12. Thick Lens
Problems for the 28th IYPT 2015
Release
Released by the IOC on July 11th, 2014
Епиграф
“Would you tell me, please, which way I ought to walk from here?”
“That depends a good deal on where you want to get to,” said the Cat.
Lewis Carroll
Условие
A bottle filled with a liquid can work as a lens. Arguably, such a bottle is dangerous if left on a table on a sunny day. Can one use such a ‘lens’ to scorch a surface?
Решение
Внимание: Непълно решение
Това е открита изследователска задача — официални решения не се публикуват.
Автори
Authors: Alan Allinson, John Balcombe, Roderick Bloem, Artsiom Bury, Samuel Byland, Nikita Chernikov, Lars Gislén, Łukasz Gładczuk, Timotheus Hell, Mihály Hömöstrei, Stanislav Krasulin, Valentin Lobyshev, Ilya Martchenko, Reza Montazeri Namin, Stanisław Świdwiński, Boris Vavrík, Evgeny Yunosov.
Problem selection committee: John Balcombe, Samuel Byland, Ilya Martchenko.
Epigraph selected by Evgeny Yunosov.
Оригинал в Архива: 2015.pdf