志綱用手揮動一條繩子,所產生繩波如圖所示,則繩上甲點下一瞬間的移動方向應為何?

國二上理化Chap3_1波的傳播2024 1018(另)

Quiz
•
Physics
•
8th Grade
•
Hard
Sone Wang
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
↑
↓
←
→
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
小提琴的弦每分鐘可振動 30000 次,則振動頻率為多少赫?
60000
1000
500
300
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
一週期波的瞬間波形如圖所示,請問此週期波的波長為多少?
7.5 cm
15 cm
30 cm
60 cm
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
有關波的傳播,下列敘述何者正確?
傳遞能量或介質,必須視介質種類而定
可傳遞能量與介質
只傳遞能量,不會傳遞介質
只傳遞介質,不會傳遞能量
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
依依到河邊郊遊,站在河岸邊欣賞風景時,忽然一陣風吹來,將依依的頭巾吹到河面上,她急忙的用手拍動水面,想利用水波將頭巾拍回岸邊,則她這樣做可行嗎?
可行,但要快速地拍動才行
可行,但頭巾也有可能愈漂愈遠
不可行,水波並不能使頭巾漂回岸邊
可行,頭巾會隨著水波傳回岸邊
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
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
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
如圖所示,一直尺固定於桌緣,用手指彈動直尺,使其上下來回振動,則下列何者是直尺「一次完整的振動」的過程?
A → B
B → A → C
A → B → A → C
A → B → A → C → A
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