
聲音的產生與傳播

Quiz
•
Physics, Science
•
8th Grade
•
Medium
林 秉均
Used 1+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
月球之所以被稱為「寂靜的星球」,是因為下列何種原因?
月球上的聲音被月球吸掉
月球上缺少傳聲介質
月球上的月光仙子有魔力
月球引力太小
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
關於聲波的敘述,下列何者錯誤?
溫度愈低,聲波傳播速率愈慢
水上芭蕾選手的頭部潛入水中時也可以聽到空氣傳來的音樂
吉他絃振動愈快,聲波傳播速率一樣快
重敲和輕敲琴鍵時,聲波傳播速率不一樣
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在奧運會中有水中芭蕾的比賽項目,則舞者在水中能聽到音樂聲嗎?
能,因為水可以當作傳聲的介質
能,因為音樂聲可以不經由介質傳遞
不一定,要視水的溫度而定
不能,因為水不可以當作傳聲的介質
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
同氣溫下,廟會活動的鼓手用相同方式,以每秒5下和每秒2下的方式打擊鼓皮相同位置,對鼓聲而言,下列何者改變了?
聲速
音調
響度
每秒聽到的鼓聲數
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
關於聲音在各種介質中傳播速率的快慢,由快至慢依序應為下列何者?
玻璃>水>空氣
空氣>玻璃>水
水>空氣>玻璃
空氣>水>玻璃
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
頻率500赫的甲生與頻率250赫的乙生面對面交談,兩人的音量一樣,何者的傳聲速度較快?
甲生
乙生
一樣快
條件不足無法判斷
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一般大型的音樂廳,如何消除回聲的干擾?
四周牆壁掛吸音板或絨布幔
四周牆壁要平滑
使用麥克風增加音量
空間要挑高
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