國中自然二上3-2
Quiz
•
Education
•
6th - 8th Grade
•
Practice Problem
•
Medium
康軒 國中
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於聲波的敘述,下列何者正確?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於能產生聲音的物體,下列敘述何者正確?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,取一電鈴放在玻璃罩內,通電後,鈴鎚敲擊而發出聲音,將玻璃罩內的空氣逐漸抽出時,其聲音響度的變化為何?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
聲音在哪一種介質中傳遞速率最慢?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將振動的音叉放入水中時,可以看見下列何種現象?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
聲音的傳播需要依靠介質,請問下列哪些因素會影響聲音傳播的速率?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖,元泰在湖面上340公尺處向3000公尺深的湖底發出一個聲波,已知該聲波在空氣中的速率為340 m/s,在水中的速率為1500 m/s,則聲波從發射至抵達湖底需要花上多久時間?
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