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习题练习：Wave-EM Wave
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://5edu.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 468，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://5edu.win/test468.html  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。
 作者: admin  发布日期: 2024-07-31 22:50    总分: 14分  得分: _____________

答题人: 游客未登录  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 ce44+ gldl z8t/v hgq2hs8rg9aorrect relationship for the speed v of the following three electromagnetic waves in vacuum? Th4gag q8deh s/ r49zt2 +vh8lgle 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 cr14 qpf2 ;*f-b9xb1 ptjbnjuelectromagnetic waves in terms of increasing qjbfxf pb;jt-4 p2rc 1un9b1 *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 vw7- /cj c0mkauw +q /opt:/tdlacuum with a wavelength of 400 nm. Which one of the following choices best descrltj/+q:tw-dm 7ow0 kc/c ua/p ibes 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 electromag2u m 7sn(hgxq8b rz, 0ebm gd1vc(o,d+netic radiation has the least energy per phm8 1rm d02e,h bo gu,csbn x(zg+vd(7qoton?

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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 elect j9 0 (7ifku. e8vyvyrlajn12xromagnetic radiation has the greatest energy per photon?ay.2v 1xjvnjry9f( 7 kule08i

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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 electromagneti ar4ji0/o7n6l ; fxrcsc radiation has the largest no/s6lrr aj407ixf;cmagnitude 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 broadcasts with iu3lay svl+lb s986/ hwd2j+r 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 at 1.3ham( : 20cvakx1 MHz on the AM dialk 0:xavacmh 2(. 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 oc,*ic( .3iu y-rxavfthe most 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 f3v uca-*xc .i(r,ioythe broadcast 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 frequen t263u/trkxtew l mp-+cy of 100.0 MHz. What is the wave6-/t+ twk2l m3 rxeutplength 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 followingl3lj w0dkt 0t; choices best represents the type of electromagnetic wave associated with a fre jd03;wtllt k0quency 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 givh(5ws3:uw vl0 gayw t0aas2 nig+ uru1cp1:b0en by the expression (in Cartesian+rs:uin( bwp351a l:0 w0 gysc 21ag0wtvuahu coordinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 a-kgz 6zx+sm z:nw52qan electric field given by the expression (in Cartesian coorawzgx6+ 2-sqk:nzm5 zdinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 expression (in5g8n-uglz8s k;sc+tu Cartesi tk uuc-ggns+ z;l8s58an 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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  • 姓名:游客(未登录)
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    总分:14分 及格:8.4分 时间:不限时
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