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Консультация № 195717
26.05.2019, 12:21
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Уважаемые эксперты! Пожалуйста, ответьте на вопрос:
Расстояние между двумя когерентными источниками 0,9 мм, а расстояние от источников до экрана 1,5 м. Источники испускают монохроматический свет с длиной волны 0,6 мкм. Определить число интерференционных полос, приходящихся на 1 см. экрана
Расстояние между двумя когерентными источниками 0,9 мм, а расстояние от источников до экрана 1,5 м. Источники испускают монохроматический свет с длиной волны 0,6 мкм. Определить число интерференционных полос, приходящихся на 1 см. экрана
Обсуждение
29.05.2019, 15:35
общий
это ответ
Здравствуйте, Дмитрий!
Согласно формуле и рисунку V.4.1 на с. 620 [1], ширина интерференционной полосы составляет
где
-- длина волны излучения, 
-- расстояние между источниками когерентных волн, 
-- расстояние от источников до экрана. Тогда
(м).
Значит, на один метр экрана приходится
а на один сантиметр экрана -- 
интерференционных полос.
Литература
1. Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: "Издательство Оникс", 2007. -- 1056 с.
Согласно формуле и рисунку V.4.1 на с. 620 [1], ширина интерференционной полосы составляет
где
-- длина волны излучения, -- расстояние между источниками когерентных волн, -- расстояние от источников до экрана. Тогда (м).Значит, на один метр экрана приходится
а на один сантиметр экрана -- интерференционных полос.Литература
1. Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: "Издательство Оникс", 2007. -- 1056 с.
Об авторе:
Facta loquuntur.
Facta loquuntur.
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