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: 游客未登录  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 correct relationshi aysp .7m7qjg;p for the speed v of the following three electromagnetic waves in vacuum? The waves are : X-rays, UV ;7mgaj 7psy.q 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 electromagnetic spectrum, rank the following4l 1ic1sh op .g dd8ra qazn5n7:6d9mq electromagnetic waves in terms of increasingqqa.in a7gd1:dlz9r14mc d oh5 86 pns wavelength

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 radiatc 6s/kt.mot 4yion travels through vacuum with a wavelength of 400 nm. Which one of the folk m.c6y t/st4olowing choices best 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 leaujk7/v;/w w x c;)kydsst energy per;cusk ) dywj ;/7kwv/x photon?

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 thevi6 gr hkws-m-z923;xuc- m ai greatest energy per p-i;23r - avgmk wi hmu6-zcxs9hoton?

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 following types of electromagnetic radiation e0xocaym,-;7s9zxrshas the largest mag-m e ,sa9;c0xxzoyrs7nitude of momentum 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 wit v l,qvmj2,2vvoi+vg-d37hcw h 3.27 m radio waves?

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 jk;g(/ubg, yj (zzk7zstarted broadcasting 78 years ago at 1.31 MHz on the AM dial. What is the approximate length of its radio waj bky zg,k7jz gz;/((uves?

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 is exr5iyxx(p2b (qual to one-fourth the wavelength of the broadcast wave. If a radio station haspx (x25b(x yri an antenna 4.5 meters long then what is 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 frelb6pm(cdh kl5pp*vs0 m/bp uc j/ j*5-quency of 100.0 MHz. What is the wavelengt/5s6mll 0 c/hmp*pkj(-bp5cp ju*vdb h 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 represent/r fjen4) rw1fs the type of electromagnetic wavenef)rjf r41w/ 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 wavec/q k,k dqjhu 23+jg(b has an electric field given by the expression (in Cartesian cookqc+2kdghj uj3b /q ,(rdinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 has an electricv2 pyo2ruiw1yxz6z7p;n-/n m field given by the expression (in Cartesian coordinatesy npo7zmir/n u-z 1pywv;2x 62):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 has a magnetic field given by the m25tlo f7:.j nwx2 gfwexpression (in Cartesian 72:w.j2t gomnff5x wlcoordinates) $\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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
本平台(https://mail.tiku.one/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
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|手机版首页|使用帮助|题库网 (https://tiku.one)

GMT+8, 2025-12-10 12:13 , Processed in 0.199963 second(s), 50 queries , Redis On.