圖為振動一輕繩產生向右傳播的週期波瞬間波形,P點為繩上一點,試問下一瞬間P點的運動方向為何?

B3-Ch3-4習作測驗

Quiz
•
Science
•
9th Grade
•
Hard
楊 秉正
Used 2+ times
FREE Resource
42 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
向上
向下
靜止
向右
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
一週期波的瞬間波形如圖所示,試問此週期波的波長為多少?
7.5cm
15cm
30cm
60cm
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
振動彈簧使其產生連續週期波,若3分鐘振動360次,則此彈簧波的頻率為何?
0.5Hz
2Hz
60Hz
120Hz
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
將一長繩上下振動,產生一個波向右傳遞,若波在1秒內前進了5公尺,此繩波的波速大小為多少公尺/秒?
0.4公尺/秒
2.5公尺/秒
5公尺/秒
10公尺/秒
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
如附圖所示:當繩波振動一次,其介質路徑應為何?
A→B→E→G→H
B→C→D→C→B
A→C→E→C→A
A→B→E→D→A
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
許願池池面上的P點與Q點分別有兩片落葉,往許願池的O點丟入硬幣,已知圓形水波半徑每秒增加1m。P、Q、O點在同一直線上,丟入硬幣一秒後,兩片落葉的狀態及距離為何?
隨波向後,距離5m
隨波向後,距離6m
隨波向前,距離1m
原處不動,距離3m
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在樂譜中可以看到Do有中央C或高音C,兩個音階的唱名同為Do,但這兩個是相差八度的音,其頻率大小如附表所示。若兩者在相同條件空氣中的傳播速率相同,波長分別為λ1、λ2,則λ1:λ2為多少?
1:2
1:4
2:1
4:1
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