若将无线电波、γ射线、可见光、红外线、伦琴射线、紫外线等按发_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题填空题

若将无线电波、γ射线、可见光、红外线、伦琴射线、紫外线等按发生明显衍射现象从易到难的顺序排列，则应______、______、______、______、______、______．

答案

波长越长越容易发生衍射现象．

若将无线电波、γ射线、可见光、红外线、伦琴射线、紫外线等按发生明显衍射现象从易到难的顺序排列，则应无线电波，红外线，可见光，紫外线，伦琴射线，γ射线．

故答案为：线电波，红外线，可见光，紫外线，伦琴射线，γ射线．

阅读理解

根据短文内容，判断正(T)误(F)。

This is a picture of Mr. Green's family. Look, Mr. Green is sitting in a chair. Heis reading a book.

Mrs. Green is at the desk. She is writing to her friend. Their son, Jim, is thirteen. He is standing by the

window. He is reading a storybook. Theirdaughter, Lucy, is only five. She is sitting on the floor. She is

playing with hertoys. What's that behind Lucy? It's a cat. Its name is Mimi. It is playing with aball.

( ) 1. There are five people in Mr. Green's family.

( ) 2. Mr. Green is reading in a chair.

( ) 3. Mrs. Green is writing at the desk.

( ) 4. Lucy is Jim's sister. She is five.

( ) 5. Lucy is playing with the cat.

判断题

半轴根据其车轮端的支承方式不同，可分为半浮式、1/2浮式和全浮式三种形式。