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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 correfou(e1 u ;*g4tle7n xmct relationship for the speed v of the following three electromagnetic waves in vacuum? The waves are : X-rays, Ug x(lo fn;ue4ut1* me7V 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 foll zxl 2id f7r w no:0lkza1c,,xjv200wgowing electromagnetic waves in terms of increa2r1a wdx0fx i,n ,zl07kvo2 wlz: cgj0sing 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 w*0 p fz8ie**kbgw.zl :1kv 8ddetnb2q avelength of 400 nm. Which one of the following choices best describes this type of rai tk.nq2*e8gb d0ek*:z bp* l1vfwzd8diation?

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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 typeznv.:gun aa x;af *p04s of electromagnetic radiation has the least energy per .0;unaz4a*ngax f:vp 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 the gg0 w.5mt-/x wmv+z m nmxtla+-reatest energy per 5/+m xwtwg .+-amn -ltxm 0mzvphoton?

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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 electroext 1)1zeh:ku magnetic radiation has the largest magnitude of momentxehk1e1 :tu)zum 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 brox4 siqfsl*i38p /t ou2ia1xuel(18moadcasts with 3.27 m radio 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 broadcastin8ta9 ipj6g7y rg 78 years ago at 1.31 MHz on the AM tip69a y j8r7gdial. What is the approximate length of its 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 effective transmitting antenna ibbf iyx6 :p:z2s;q8fh s 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 stat6fbz;if2: yxb 8:hp sqion?

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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 si .c3lc9o vklq7gnal at a frequency of 100.0 MHz. What is the wavelengc9o. 73lqlckv th 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 of electrox(u u3 u4glv4ymagneti4 4v(ugluyu x3c wave associated 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 expressi66;-nv3xc ime pae8yf c+,nlz on (in Cartesian coordinates6cp,cnly 8 6i +x;ma f-ezvn3e):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 given by the expression (in Cawzqzz+ f3n d*1rv l67ufn 9l*mrtesian coordinazfqlnm16zl w nurf d *93v+7*ztes):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 field grr7jm qw 3)5,n7fs;n owpiki9iven by the expression (in Cartesian coordinates);3o r ,5wrsiqp i7nn9 )mfkjw7 $\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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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