
độ cao của âm
Authored by luong hoang
Physics
1st - 7th Grade
Used 157+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
số dao động trong 1 giây gọi là gì?
nguồn âm
dao động
tần số
nhanh
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
đơn vị tần số là gì?
Hz
giây
dao động
nguồn âm
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
dao động càng nhanh, tần số dao động càng.....
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
dao động càng chậm, tần số dao động càng ....
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
khi đĩa quay chậm, góc miếng bìa dao động chậm, âm phát ra.....
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
khi đĩa quay nhanh, góc miếng bìa dao động nhanh, âm phát ra.....
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
dao động càng nhanh, tần số dao động càng lớn, âm phát ra càng.....
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