
週考前複習3
Quiz
•
Physics
•
8th Grade
•
Easy
夏志鍊 夏
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
波速=波長x頻率
下面的問題都是用這個公式來回答
我了
別按這個
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
波長=20公分,頻率=0.5Hz
波速=10公分
波速=20公分
波速=40公分
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
介質完整振動一次的時間稱為週期
若波的週期為0.5秒,且波長20公分
波速=10公分
波速=20公分
波速=40公分
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
距離=速度X時間
以下的問題用這個公式回答
我了
別按這個
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
波速=100公分/秒,
經過5秒,
波將前進多少距離
20公分
50公分
500公分
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
波長=10公分,頻率=5Hz
經過4秒後,波將前進多少距離?
50公分
20公分
200公分
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在波速固 定時,波長和頻率成
正比
反比
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
同一條繩子
產生兩個不同頻率的波,
A波為5Hz,B波為3Hz
則A和B的波長比
1:2
5:3
3:5
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