關於波動的敘述,下列何者正確?

B3-ch3-alltest

Quiz
•
Physics
•
8th Grade
•
Medium
楊 秉正
Used 1+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
橫波的介質振動方向和波的前進方向互相平行
波的傳播若需藉由介質才能達成,則此種波稱為力學波
縱波振動方向和其前進方向互相垂直
所有的波動都需靠介質來傳播
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在無風的情況下,當水波波紋經過水面的落葉時,落葉大致上是如何運動?
上下運動
左右運動
隨波而去
視波的傳播方向而定
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關波的性質敘述,下列何者正確?
介質隨著波的傳播而傳播出去
波只能傳遞能量,不能傳遞介質
不需依靠介質傳遞的波動稱為力學波
電磁波依據介質的運動方向分為橫波與縱波
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
經測量發現某彈簧在10秒鐘內,產生20次振動,若彈簧振幅為8公分,則有關此彈簧波的敘述,下列何者一定正確?
波長為16公分
頻率為2赫
週期為2秒
振動方式為橫波
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖為一向右前進的連續週期波在某時刻的波形圖,則有關下一瞬間各點運動的敘述,下列何者正確?
戊點與庚點的振動方向相同
乙點比甲點先回到平衡位置
丙點與丁點的振動方向相反
己點比庚點先回到平衡位置
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖中,甲、乙、丙為同一條繩索分次在1秒內振動出的繩波,請問下列相關的敘述何者正確?
甲的波速最大
乙的波長為5公分
丙的頻率最大
甲、乙、丙三者週期相同
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有一繩波之位置坐標與波源距離之關係如附圖,若波由P點至R點共歷時0.025秒,則下列何者錯誤?
波長20公分,振幅2公分
頻率為10 Hz
由P點至Q點共歷時0.15秒
傳播速率為300 cm/s
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