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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 fo6ecm,4qv( ak*2igm* jfe ytn;r the speed v of the following three electromagnetic waves in vacuum? The waves are : X-emt;v*icf*6 egkm4y (na qj2,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 electromk*v47jjj(/ lkfz m lq6agnetic spectrum, rank the following electromagnetic waves in terms of in4lzj/7 (ljm kvk 6*qjfcreasing 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 wakd7:cw3t m 9mvvelength of 400 nm. Which one of the following choices best describes this tv7wd3:9tck mm ype 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 radf0h,b;; o dgw-q7 chpqiation has the least energc h ;oqgp 7h0dqb-f,;wy 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 electromagnetic radiation has the)wa t mj5kq/6g greatest enk5 ja) t6qgmw/ergy 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 radia4gw 5vhhg(m y/tion has the largest magnitude of m 5w4h/g( gyhv 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 broadcao-9yva4 u iy,kco72rjxv ;c/ f( 75hi1rmstwssts with 3.27 m radio waves?

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本习题练习全部题目来源于题库网 (https://tiku.one)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
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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 v c-a/xvpvam9y0*f0vr ve ;:ustation KFKA started broadcasting 78 years ago at 1.31 MHz on the AMe0ac yrfv ux/*vv0a:;m9- pvv dial. 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 is equal to onvm2q(d h1;dm xghr+e/ e-fourth the wavelength of the broadcast wave. If a radio station has an antenna 4.5 meters long then what is the broadcast freq(hmx2dhg/+ vq;d e1m ruency of the radio station?

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本习题练习全部题目来源于题库网 (https://tiku.one)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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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 broadca.kznfas(k -4ssts its signal at a frequency of 100.0 MHz. What is the wavelenk-azss(k 4f .ngth 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 choci8pse,i3t:r2 dn y noj(,8igices best represents the type of electromagnetic wav s2pj:8,incigr (on,8de 3t iye 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 expressionod(t8m- wyyt, (in Cartesian coordiy, o tdm-8w(ytnates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 eyrl6 (qn k4eg9xpression (in Cartesian coordinrnye(lqk 4g6 9ates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 o)dbv;u o82f g*pr7 tufield given by the expression (in Cartesian coordinates) t) vub8 ro 7ou;pg*d2f$\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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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