初三(下)8 波和信息 2

Quiz
•
Science
•
9th Grade
•
Medium
W.Y. Tan
Used 27+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
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___。
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
Create a free account and access millions of resources
Similar Resources on Wayground
10 questions
5年级科学复习

Quiz
•
1st - 10th Grade
10 questions
科学 一年级 单元七:磁铁

Quiz
•
1st - 12th Grade
15 questions
三年级科学 机械

Quiz
•
1st - 12th Grade
10 questions
關於光譜

Quiz
•
9th - 12th Grade
10 questions
科学 六年级 第十课 日食

Quiz
•
6th - 9th Grade
20 questions
四年级 科学 单元二 人类

Quiz
•
KG - Professional Dev...
20 questions
三年级科学行星的温度和运转

Quiz
•
1st - 12th Grade
10 questions
三年级 科学单元7 复习

Quiz
•
1st - 12th Grade
Popular Resources on Wayground
20 questions
Brand Labels

Quiz
•
5th - 12th Grade
10 questions
Ice Breaker Trivia: Food from Around the World

Quiz
•
3rd - 12th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
20 questions
ELA Advisory Review

Quiz
•
7th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
10 questions
Multiplication and Division Unknowns

Quiz
•
3rd Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Science
10 questions
Exploring Newton's Laws of Motion

Interactive video
•
6th - 10th Grade
10 questions
Exploring Chemical and Physical Changes

Interactive video
•
6th - 10th Grade
10 questions
Exploring the States of Matter

Interactive video
•
6th - 10th Grade
10 questions
Exploring the States of Matter and Thermal Energy

Interactive video
•
6th - 10th Grade
10 questions
Exploring Light and Waves Concepts

Interactive video
•
6th - 10th Grade
16 questions
3.4 Biogeochemical Cycles

Quiz
•
9th Grade
21 questions
Cell Organelles

Quiz
•
9th Grade
10 questions
Exploring Weathering, Erosion, and Deposition Processes

Interactive video
•
6th - 10th Grade