
南一國中自然8上ch3-1
Authored by 南一 自然
Science
8th Grade
Used 21+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
若依介質振動方向與波前進方向來區別,下列哪一個選項與其他的選項不同?
水波
繩波
聲波
上下振動的彈簧波
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列哪一種波屬於非力學波?
水波
光波
繩波
彈簧波
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列關於縱波性質的描述,何者錯誤?
又稱為疏密波
介質振動方向與波前進方向垂直
密部介質的密度大,疏部介質的密度小
相鄰兩疏部間的距離稱為縱波的波長
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列有關波的描述,哪一項是不正確的?
波可以傳遞能量
橫波進行方向與介質運動路徑互相垂直
介質隨著波的傳播而傳播出去
波是由於介質受到擾動而產生的
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有一繩波每秒振動25次,且測得繩波波長為20公分,則其傳播速率為多少公分/秒?
300
200
500
400
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
改變下列哪一項因素會影響力學波的波速快慢?
波長
頻率
介質
振幅
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
小保振動某一條繩子,產生振幅0.1公尺、波長2公尺、頻率4赫茲的繩波,請問此繩波的波速為何?
0.5公尺╱秒
2公尺╱秒
4公尺╱秒
8公尺╱秒
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