我们听到的声音,是一种波,波可以靠空气传播。下列关于波的传递,说法正确的是___。
初三(下)8 波和信息 2

Quiz
•
Science
•
9th Grade
•
Medium
W.Y. Tan
Used 18+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
波能将波上的物质沿着波的传播方向传递出去
波可以将波源的振动形式传递出去
波在传播过程中,波形可随时自由变化,不一定与波源保持一致
波在传播过程中,能量不会随波传递出去。
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
关于横波和纵波的区别,错误的是____。
横波有波峰,纵波有密部
横波有波谷,纵波有疏部
横波不能在真空传播,纵波可以
横波中,相邻波峰之间的距离为波长
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
物体1秒内振动的次数称为___
频率
振幅
波长
周期
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
频率的单位___
赫兹,Hz
牛顿,N
千克,kg
米每秒,m/s
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
如图所示,某物体振动所产生的波形图,下列说法正确的是____
该波为纵波,波长为1m
该波为纵波,波长为2m
该波为横波,波长为1m
该波为横波,波长为2m
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
下列哪一种物质无法传递横波?
细绳
空气
薄纸片
弹簧
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
下列关于次声波和超声波的应用中,错误的是___。
次声波可用于军事方面
次声波可用于动物见的交流
超声波可用于回声定位
超声波可用于检测气体泄露
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