Звук и слух
Quiz
•
Physics
•
7th Grade
•
Practice Problem
•
Medium
Maria Borisova
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Височината на чистите тонове се определя от:
честота на звука
амплитудата на звука
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Силата на звука се определя главно от:
честотата на трептене на частиците на средата
амплитудата на трептене на частиците на средата
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Единицата децибел е мярка за:
силата на звука
височината на звука
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как се изменя силата на звука, ако се приближаваме към източника на звук?
усилва се
отслабва
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Звукоизолаторите са материали, които:
отразяват звука
поглъщат звука
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