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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 fo2u (0n ym.ly+* fazbpfr the speed v of the following three electromagnetic waves in vacuum? Tff* (.b+ 2 nayzmy0ulphe 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 electromagnetiu 5o nzo.c)13- nzxnjy*6oq vdc spectrum, rank the following electromagnetic waves in terms of increasq un nj)3*6-zocy.zx1 o 5dnoving wavelength

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.06: Electromagnet8d 6pvmwbf ,i)-h ga9 8uv;p,kqtec)uic radiation travels through vacuum with a wavelength of 400 nm. Which one of the following choices bebvkfw8 u cuppmv;)8ead6 i t-,gq9h,)st 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 typewrb0+wemf ir h4+q9 a1o-d8v hs of electromagnetic radiation has the least energy pdioha+q+r w8ev- f1rb0m9h4w er 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 elercl /ml0)v5 klctromagnetic radiation has the greatest 0clrl5 )lm k/venergy 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 t;ql4 ryqbmkhu i;5fq.b o),a6 ypes of electromagnetic radiation has the largest magli4,ba.;qrbhmqf ) yu 6k o5;qnitude 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 3.27 m radio wavesmf*k.h rw-mv+ ?

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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 staruw49ohe 1 d)hhted broadcasting 78 years ago at 1.31 MHz on the A 4h1w) u9ehodhM 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 transmittz1t4mxty2r5 jv6b x+r-5 nogwing 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 bro-5 rz14vgmn+ rt 2jxyoxt 65bwadcast 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 freqao8jk d 9wy0ku:l7tr +uency of 100.0 MHz. What is the wavelength of the station’s signalt: k jr8kd +lywou970a?

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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 ch/w,. igkyn7axb 6)xc9n6zn+p y )aow foices best represents the type of electromagnetic wave associn abxki9+n z6)oxfyw6 /)ycw, ngpa.7ated 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 y5 jz*j)*/totdnizn+ electric field given by the expression (in Cartesian coordinates):dnni/z+ *yt jo5t*zj )
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 expressi( u v6o;qg-sov1mmc6ae8d n*oon (in Cartesianvo ao *v; 6qu(gd8ce-s16omnm 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 has a magnetic field ptmcu4 gnb2zpft*d3n :q1,y) given by the expression (in Cartesian coordinates2upp1t* 3:gcqdy bmn fz)t ,n4) $\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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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