Опрос по лекциям 10-11-12 (стр. 14 )

3. Физическая природа вибрации.

4. Характеристики вибрации

5. В каких работах применяются длинные, средние и ультракороткие радиоволны?

6.  Защита от коротких и ультракоротких радиоволн. 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Выполнил студент гр.

Опрос по лекциям 10-11-12.

Вариант № 20.

1. Как влияет твёрдость частиц на устойчивость пыли в воздухе?

2. Защита от пыли

3. Какие работы и механизмы вызывают вибрацию?

4. Виды вибраций.

5. Как отражается на организме человека длительное воздействие электромагнитных полей ВЧ и УВЧ?

6.  Где применяются сверхвысокочастотные радиоволны (СВЧ)? 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Выполнил студент гр.