IYPT 2013, Задачи на турнира — Задача 6. Coloured plastic

Problems for the 26th IYPT 2013

Епиграф

There are more things in heaven and earth, Horatio,
Than are dreamt of in your philosophy
Shakespeare

Условие

Photograph of a transparent plastic CD case lying at an angle in bright light, showing rainbow-coloured interference fringes across its surface.

In bright light, a transparent plastic object (e.g. a blank CD case) can sometimes shine in various colours (see figure). Study and explain the phenomenon. Ascertain if one also sees the colours when various light sources are used.

Решение

Внимание: Непълно решение

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

Оригинал в Архива: 2013.pdf