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週考前複習2

Authored by 夏志鍊 夏

Physics

8th Grade

Used 1+ times

週考前複習2
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12 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

繩波、聲波、電磁波何者是力學波?

(複選)

繩波

聲波

電磁波

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

繩波、聲波、電磁波何者是縱波?

繩波

聲波

電磁波

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

介質振動方向波的前進方向

相互垂直時稱為

非力學波

橫波

縱波

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若一個繩波的振幅為5公分,

則繩波上的介質作一次完整振動

會移動幾公分?

5公分

10公分

10公分

20公分

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

計算波速(v)可以將波長(λ)頻率(f)

相加

相乘

相除

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

波長4公分,頻率為1/2Hz,則波速為

2公分/秒

4公分/秒

6公分/秒

8公分/秒

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

波長4公分,週期為1/2秒,則波速為

2公分/秒

4公分/秒

6公分/秒

8公分/秒

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