题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:Wave-EM Wave



 作者: admin发布日期: 2024-07-31 22:50   总分: 14分  得分: _____________

答题人: 匿名未登录  开始时间: 24年07月31日 22:50  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.19: Which is the corre(:g/xsb ftapvq (ly8ge hu07/ 4krt l.ct relationship for the speed v of the following three electromagnetic waves in vacuum?tt/ . :vk ggq07a le rb/lxu8pf4y((hs The waves are : X-rays, UV rays, microwaves.

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.15: In the electromag t,m s6):r b5gm,xyo4wt/hav enetic spectrum, rank the following electromagnetic waves in terms of increasing wavelen4,h tvar/ mye:gst,mw65 )xbogth

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.06: Electromagnetic radiation travels through vacuum with a wm6ol8o3cggdp4 u yd3)avelength of 400 nm. Which one of the following choices l 8oy o6dpcg4du 3g3)mbest describes this type of radiation?

参考答案:    

标记此题
4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.11: Which of the following types of electromagnetic radiation has the least c+-egokvb)kc9c o--p wj;rq;energy per photorq+j9 cco o k ;p;)kgvwe-b--cn?

参考答案:    

标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.07: Which of the following types of electromagnetic radiation has 4h qyv+e:7 kuethe greatest enqh yu: 4+vke7eergy per photon?

参考答案:    

标记此题
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.25: Which of the following31x:dcbbnvae+)hzm9 :9)i8rkh2 azr nm.bns types of electromagnetic radiation has the largest magnitude of momnnd.b ai9)r1rz2 hmec z :8na:bmxs 9 bh+vk)3entum per photon?

参考答案:    

标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.04: Which station broadcasts with 3.27 m radio w6rd r7gii7j l37*c3*qrbi bspaves?

参考答案:    

标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.25: Pioneering radio station KFKA started broa2 cvlc n4zm050-aektvwbv8 o5 dcasting 78 years ago at 1.31 MHz on the AM dial. What is the approximate length of its radio waves? wevkv5 -ct0 20v8a45 nzcbolm

参考答案:    

标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.07: The length of the most effective transmitting antenna s02zkgb3l r w 9-u9kolis equal to one-fourth the wavelength of the broadcast wave. If a radio station has an antenna 4.5 meters long then what uk b owl9z9ks 2-03grlis the broadcast frequency of the radio station?

参考答案:    

标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.15: A radio station broadcasts its signal at a frequency qzn+b)+ +squc of 100.0 MHz. What is the wac++ q)+zusb qnvelength of the station’s signal?

参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.16: Which one of the following choices best ia676ocyj2o z represents the type of electromagne joz62iya c76otic wave associated with a frequency of $10^{18}Hz$?

参考答案:    

标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An electromagnetic wave has an electric field given b6k j i/v7jlp4oy the expression (in Cartesian coordivpkj7/ j l64oinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
09.48: What is the direction of the energy flow for the wave?

参考答案:    

标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An electromagnetic wave )ryq w-ei fs.8p.gk4 bhas an electric field given by the expression (in Cartesian coordir.k4pqy8efiw b-)g . snates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
09.49: What is the direction of the magnetic field at time t=0 and position x=0?

参考答案:    

标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.48: An electromagnetic wave hi8f;-k)) cpg;fx9qy xt b+uylas a magnetic field given by the expression (in C;uy; x9lcqg pb kf-+8i tx)fy)artesian coordinates) $\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . At t=0 and position x=y=z=0, what is the direction of the electric field associated with this wave?

参考答案:    

  • :
  • 总分:14分 及格:8.4分 时间:不限时
    未答题: 已答题:0 答错题:
    当前第 题,此次习题练习共有 14 道题
    本系统支持习题练习,作业与考试三大模式,作业考试自动评分,成绩排序一键导出,可设定动态变量同一试卷千人千题
    如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

    浏览记录|使用帮助|手机版|切到手机版|题库网 (https://tiku.one)

    GMT+8, 2024-12-26 16:46 , Processed in 0.124866 second(s), 49 queries , Redis On.