IOM 2020, Блиц — Задача 1
The Blitz-contest of IOM-2020
Условие
Inside a room with a black ceiling and walls there is a square table 1 m long. The only source of light in the room is a light bulb hanging 2 m above the table's center. If the light bulb is an isotropic point source of light, how many times is the illuminance of the table's center bigger than the illuminance of the table's corner?
The answer should be given in the SI units unless otherwise stated. If the numerical result turns out to be an integer, it should be given as the answer. Otherwise round the result to the first decimal.
Отговори
1.195
Answer key: [1.19-1.2]
Решение
Внимание: Непълно решение
The source contains only the answer key, no worked solution.
Answer: [1.19-1.2]
Оригинал в Архива: iom-2020-blitz-tasks.pdf · официални решения: iom-2020-blitz-answers.pdf