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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 relationsho p)ela)3p*3se g 3uz ypop5*x thi2z6ip for the speed v of the following three electromagnetic waves in vacuum? The waves are : X-rays, UV rays, microwave5o ieptz3 yalo3pu*pe6 hsgp2z)3)x*s.

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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 electromagnetic waha4pcjqv ck,38 9 xie4ves in terms of increasing wavelength qi j,k c934eah4xc8vp

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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 vacuudo6s ,us)5 4cq8) mir, m dil1h0gxjzbm with a wavelength of 400 nm. Which one of the following choices best deqom5) ml1gcus)60,ixj rd,b84 hi zd sscribes 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 electromagnetic 6(37 r t9h sduqq+zzryradiation has the least energy per p+hy 9qur zt6z(s7r dq3hoton?

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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 ofl3igu7l 9zg5cw mp 59h electromagnetic radiation has the greatest energglc h379 zwmgu5p9il5y 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 electx 0l xw rr;qbm76qzk h6d47/hvromagnetic radiation has the largest madk bxr xr7v764z/whl 6qq0mh;gnitude of momentum 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 broadcastvyv): b72cnkgw 8cj 4., trwlc 6ky.jve;.gmfs 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 starte *3f9 g:ptfqcrd broadcasting 78 years ago at 1.31 MHz on the AM dial. What isc qr9ff *:gpt3 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 is equal to one-fp-rgm 5n :zn4rourth the wavelength of the broadcast wave. If a radio station has an antenna 4.5 meters long then what is the broadcasrn mgz-:p5rn4t frequency of the radio 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 broadcasts its signal at a frequency of 100.0 ew / ky9.7fxtc-uhigpf96q3k MHz. What is the waveleng/xt73e 9y. pq9fgkihk f- cu6wth 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 becg62h+y* qau1q2iwne st represents the type of electromagnetic wav2 qniq hyc1aewu26*+ ge 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 el q .1tidsu.)df;h* auyectric field given by the expression (in Cartesian coordinatesddf*.yu. 1;su it)hqa ):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 (lqk1w: v 9p.fyq7b t4x/eigk -in Cartesian coordinatet 9w f7yi/gq qkbxk-v41e pl.:s):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 given by the expressiongt7i:ec 0 v:d,gz ib-v-qyxvn)n. * kr (in Cartesian coor x,ngqv.*t-:ici )b k7z0eyrgd-v: vndinates) $\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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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