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 correct relationship for the speed v4p uu)fht*t sb,+7odr of the following three electromagnetic waves ir)utosd u7bt* ,+hp f4n vacuum? 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 electromagnetic spectrum, rank the following e2d7:uj.8zj u aq:o cg nv91grflectromagnetic waves in terms of increasing wavelength u 9r:j : ou7dzavq2gn8f.1gjc

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 vac v3cd1mtu1y2huum with a wavelength of 400 nm. d2y3vhum c11t Which one of the following 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 raditzb: jb x.1,xjation has the least energy per bxjt,:zjx1.b 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 folmdd*(g3bd8 3 sm.qv .3p0ph ipy v2mb9lih 3tllowing types of electromagnetic radiation has the greatest energy per pgs 0mi qd pbl(h.bv3vd *pm2d8.33 9lp3t ihymhoton?

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 eq 0l f99)lqnduhs1+3u -wty eylectromagnetic radiation has the largest magnitude of momentum per photon? q h0d slfq3un9)wy-y9t1+l ue

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 radiop o*ak6+ w l2rnsn/;i:ws6 nje 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 ra 43tn1xrgm8a5n7u: hnqu 2jbr dio station KFKA started broadcasting 78 years ago at 1.31 MHz on the AM dial. What is the approximate length of its radio wr28u:1b3qham ngjn5rxn47t uaves?

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 antenltixs de7dyu:j0pq 6f4z iis /.p 08)bna is equal to one-fourth the wavelength of the broadcast wave. If a radio station has an antenna8b0i.q 6i pyd:sfu0dj lsi/ze4x7tp) 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 frequency of 100.0 h q 3bu+- ,bp.da(mj6h m3eeqlMHz. What is the wavelength of the station’s signal,ph h 6(de3.q-m qmable3+buj ?

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 0c:x oet-n/ :bosbx b4g8mk,m represents the type of electromagnetic wave associated with a freque-bt :om8o ebnxbg40/ :,ksxm cncy 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 f0g *cqu n.7x9 bb8a- jvauy(eoield given by the expression (in Cartesian coordinnoa 0cejq -87b v. y*uxu9bag(ates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 wavegn7 dqg270thq9 o12dbmqqg b5 has an electric field given by the expression (in Cartes7m n2q7g1h 0qbqg5gd2tqod b9 ian coordinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 expressiof d+bdef6rg *)*xp9 eja)5kbfn (in Cartesian coordinate+dffgxa)5 )brkjfe6e *d9* bps) $\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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 16:12 , Processed in 0.146486 second(s), 49 queries , Redis On.