國二上理化Chap3_1波的傳播2024 1018(另)

國二上理化Chap3_1波的傳播2024 1018(另)

8th Grade

20 Qs

quiz-placeholder

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國二上理化Chap3_1波的傳播2024 1018(另)

國二上理化Chap3_1波的傳播2024 1018(另)

Assessment

Quiz

Physics

8th Grade

Practice Problem

Hard

Created by

Sone Wang

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

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?

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

Media Image

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

Media Image

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

Media Image

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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