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Прочитайте текст и заполните пропуски подходящими по смыслу словами A laser is a quantum electronic ...: ответ на тест 284243 - Английский язык

Прочитайте текст и заполните пропуски подходящими по смыслу словами
A laser is a quantum electronic 1______________. It is a machine for making and concentrating light 2______________ into a very intense beam. The letters LASER stand for Light Amplification by Stimulated Emission of Radiation. The light made by a laser is much more intense than ordinary 3________________. With ordinary light, all the light waves are of different 4________________. With lasers, all the light waves are of the same length, and this increases the intensity.
Варианты ответов
  • lengths
  • light
  • waves
  • device
Тип вопроса: Вопрос на соотвествие
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:48
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:48

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