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习题练习：Wave-EM Wave
本习题练习来源于题库网 (https://tiku.one)，是在线习题练习的打印版，您也可以访问本平台网站(https://tiku.one/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 468 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://tiku.one/test468.html
 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

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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 v of the followide f:s:;otszm p)*47jy+o cksda5y(qng three electromagnetic waves in vacuum? The wa4 jd os; y(osztsafdy)k qm5+cpe7:: *ves are : X-rays, UV rays, microwaves.

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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 fobt(1gnp98, 3udnh(k yhjg ls8llowing electromagnetic waves in terms of increasing 88hbnlsg yt13nkj((p ,uhd g 9wavelength

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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 waveqj8t )a)u 0/bk h x.e5/yvd7tljscde ;length of 400 nm. Which one of the following choices best deseue/ c lbkh5)j0a xy;tjtv q)8d7sd ./cribes this type of radiation?

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.11: Which of the followi ma vz*o kt xg95*.zk-;0enkcvng types of electromagnetic radiation has the least energy peognzzeat0 v9v*kkc ;.xkm -* 5r photon?

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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 thegbnr6uwrf 3fm )rm344 greatest ener3m 4nbffrwr4u3 m6rg)gy per photon?

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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 has the large, d*kzp,ex +.a lns;5c2jreqgst magnitude of momentxp njk.e*+;gzcre5 aqs2 ,d,lum per photon?

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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 radio9h ke1joab-i * q9f6 (yhj,l5vkquw3b waves?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.25: Pioneering radio station KFKA started broadcasting 78 years aj2e:qlk a*(fg go at 1.31 MHz on the AM dial. What is the approximate length of its radag*lk2f(jq:e io waves?

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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 transmit6 f+ 5b01hjt+syxub :ofqbo/rting antenna is equal to one-fourth the wavelength of the broadcast wave. If a radio station has an antenna 4.5 meters long then what is the broadcast frequency of the radio station+usff+ ytb/1o :qbx6roj b0h5?

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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 2s0lit dm i)(tof 100.0 MHz. What is ths2(tl tmd) ii0e wavelength of the station’s signal?

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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 represents the type j6 sx6 t(f.sp9,pojbld 74 czzof electromagnetic wave associate46csfdt,xo( bs jpzl9j z7p.6d with a frequency of $10^{18}Hz$?

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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 by the expresst( cxtz/3t an(ion (in Cartesian coordina(nt txc 3ta/(ztes):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
09.48: What is the direction of the energy flow for the wave?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An electromagnetic wave has an electridlkh 8c vl6)23vt7h eyc field given by the expression (in Cartesian coordinat e6hh87t)d23 vlc ylkves):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
09.49: What is the direction of the magnetic field at time t=0 and position x=0?

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.48: An electromagnetic waq6(/vfv*03 tkefd.z: v h lrslve has a magnetic field given by the expression (in Cartdlq3vfvs0e k :/ .z(*rlhvt f6esian 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?

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