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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 followi)w 5f49) m5h3 szimwed4-yddwi7pjj wf *3jj jng three electjde3)-mw j4fjp y i zw*3 5j7d4d5w)9s ihjwmfromagnetic waves in vacuum? The waves 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 following electromagneti 5 yryp-gcdx ).+ pjwn(y4;nzdc waves in terms onr; xg) cdyzn+p-y 45dpw(.jyf increasing wavelength

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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 cm( de1p* y-bdwavelength of 400 nm. Which one of the follow(1d ceb* y-mpding choices best describes 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 following types of electro rsl3p,oyr)4eps l8-u magnetic radiation has the least energy pes orlys 34r8e-lp ,)pur 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 followinafh qds(trc,oygu,9l al, 9 -:g types of electromagnetic radiation has the greatest energy per p,ht: a ,u,rloqsalg(fyd -9c9hoton?

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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.ra.zlg48h. ; j9gyi 6gkbras the largest magnitude of momentum per phoz agi8yhb;jrg .l6rs.4.g ka9ton?

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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 radio p8j*:ph0h3h/k1jpzt2ctx8rxuk;) ua( p qjqwaves?

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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 n a7l*6 2k tpyt96do qygc2u7bstarted broadcasting 78 years ago at 1.31 MHz on the AM dial. What is the approximate length of itcg7tnqa7k2*t 6l6yuo2y db p9s radio 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 effewyzh+w9o r q3)ctive transmitting 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 rad h9 w+yrqzwo)3io station?

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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 broadc8 76leac- kubiasts its signal at a frequency of 100.0 MHz. What is the wavelength of the stalc ae68bku-i 7tion’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 represenou, ewua iqp7*:lu5grb)u( 4tts the type of electromagnetic wave associated with a freque* ar:7eo)it(l4qu5u p,w bgu uncy 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 the4f;.-:pnrd-yu 4-ewygdql f ykpk h57 expression (in Cartesian coordinates)fd5 k-f;u rk pqhyn4 47p.l -w-gye:dy:
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 electric field g.o5g; eyw wvscj6.o5 iiven by the expression (in Cartesiai gecos wyv5 .5.w;oj6n 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?

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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 wave has a magnetic fie;0* f4ll fzzr bgu7e0ild given by the expression (in Cartesian cg; elf7* fuzi0b4z0lroordinates) $\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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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