
Câu hỏi về Tốc độ và Sóng âm
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Easy
Phương Mai Đào
Used 3+ times
FREE Resource
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44 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Ý nghĩa của tốc độ, đơn vị đo tốc độ?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Mô tả cách đo tốc độ bằng thiết bị "bắn tốc độ"?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Sóng âm là gì? Sóng âm truyền được trong môi trường nào?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Giải thích sự truyền Sóng âm trong không khí?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Tần số là gì? Nêu đơn vị của tần số?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Vùng tối, vùng nửa tối là gì?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Hiện tượng phản xạ ánh sáng? Phát biểu định luật phản xạ ánh sáng?
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