IOM 2020, Блиц — Задача 70

The Blitz-contest of IOM-2020

Условие

A 100 W light source converts 5% of the absorbed power into light with a wavelength of 700 nm. How many photons does it emit in each second? Multiply the answer by 10−1910^{-19}.

Отговори

Решение

Внимание: Непълно решение

The source contains only the answer key, no worked solution.


Оригинал в Архива: iom-2020-blitz-tasks.pdf · официални решения: iom-2020-blitz-answers.pdf