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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 relat:m( w *lc4rf txyu1fkfrm) b9q8 ea22lionship for the speed v of the following three electromagnetic waves in vacuum? The wa u2:1exrmtyk4c l)wqfm2ab 9 *8flrf(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 following electromagnetic wave4q 9:bndxxy+0jv( b 7nej)z ies iq) xiveyz0xbdj n(9j:b74ne+ n terms of 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 radia;u4xd0opcflc eut7 f kp7y633tion travels through vacuum with a wavelength of 400 nm. Which one of thex74e pu67 upycodc03kf3f; tl following 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 electromagnet9km5ws6+wi xajtkp40ic radiation has the least en4+kt mjiax 5k0w69wp sergy per 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 electromagnetihae c;ya6ts6 2c radiation has the greatest ;e t hs2yaa6c6energy 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 elevchd:k 8p6/tlik1iks 5+l0i dctromagnetic radiation has the largest magnitude of momentum perk5t l+:hcvkiipk ldd6 081/is 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 witcoav+ (o6vh ywr 5gq5*7mm(yx h 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 broadcasting 78 years ago(; d+afdcq/z6nt8h du at 1.31 MHz on the AM dial. What is the approximate lengthz tdd+ fu(;qn6cad/h8 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 mosc6;fp(mm 04h ,n dethzo+,zwnt effective 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 th de6nm(4t+ h nfm0 o;hw,pzz,ce 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 it dta+tus7iun::v 3+jk s signal at a frequency of 100.0 MHz. What is 3 a n7ukv+tj:i+t: dsuthe 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 fxoea no4c.5h(85r)7 cs lochoollowing choices best represents the type of electromagnetic wave asso cex sc5o78nolao4.)h o(5r hcciated 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 exprh1 jdmk0k +5dgession (in Cartesian coordinates 5+k1h0gjdkmd ):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 Ch yqp3y3wdy 3nmg1n7eg-9f;bartesigy3np 3-;gnw f 1mq 3bde9hy7yan 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 h5s:3py:i fc fhas a magnetic field given by the expression (in Cartescff:is3 hp5:y ian 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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