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2

Световые явления

QuestionAnswer
Как называется раздел физики, изучающий световые явления? Оптика
Как называется линия, определяющая направление распространения света? Световой луч
Область экрана, в которую не попадает свет от источника. Тень
Изменение направления распространения света при переходе через границу раздела двух сред. Преломление света
Прозрачное тело, ограниченное двумя сферическим поверхностями. Линза
Точка, в которой пересекаются лучи после преломления в линзе. Фокус
Тела, из которых исходит свет. Источники света
Холодные источники света. Люминесцирующие
Приведите примеры тепловых источников света. Лампа накаливания, пламя свечи, раскаленная лава, расплавленный металл.
Область на экране, в которую частично попадает свет от источника. Полутень
К каким источникам света относятся светлячки, полярное сияние, остатки гниющего дерева, молния? К естественным
Назовите российского изобретателя лампы накаливания. А. Н. Лодыгин
Created by: Veronichka
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