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Упражнение
Quiz
•
Physics
•
7th Grade
•
Practice Problem
•
Hard
Maria Borisova
Used 3+ times
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7 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Ъгъла на падане е ....................... на ъгъла на отражение.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Отражението от гладка повърхност е ....................... .
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Отражението от грапава повърхност е ....................... .
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ъгъла на отражение е равен на ъгъла на пречупване.
Вярно
Грешно
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ъгъла на падане е равен на ъгъла на пречупване.
Вярно
Грешно
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Светлината се пречупва на граниата на две среди с различна оптична плътност.
Вярно
Грешно
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Когато светлинен лъч навлиза в среда с по-голяма оптична плътност ъгълът на пречупване е по-голям.
Вярно
Грешно
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