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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 for the speed v of the fo ffers w3b(sgwhu257yn:y 9l )llowing three electromagnetic waves in vacuum? 9ybfew: gw752lrf ssun3)y(h The 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 fl+o7jlwmoc 3 wqs *p22ollowing electromagnetic waves in terms of o72l*3qslcmwo j2pw+ 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 radikc(va jt28; *2atnhjb n+xrpg)mn- e1ation travels through vacuum with a wavelength of 400 nm. te8t;12hv2 m *anag+ kc )-nx jpjrb(nWhich one of the 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 followinuymt1 ;s7z u:eg types of electromagnetic radiation has the least ener7u :mye;ts1uzgy 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 )4/ 5waxjgw3cql6,woqb l5o2w vqx -telectromagnetic radiation has the greatesb o,ww vgq6 qx523lwl-wta j5x4qoc)/t energy 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 radiation has the largef( jl,rt)zji sq7 9)d7xnlz-d st magnitude of momentum per p7tjxjlr)d9,7z l)s znd-q( ifhoton?

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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 broadcastsw ik0u+i;wa ;j-7wdm dwtu83t 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 started broadcasting 78 ye,w:pytsj3fdeku 5 4 jli1/ 2jrars ago at 1.31 MHz on the AM dial. What is the approximate length of its radio waves?3lksjt/u14fje,y 2idr: j5w p

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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 effectiv m3*sk, nl:liue 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: usl, lmk3n*i the 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 frequency of 10mt,1f3ch(r1bj e sbqavid8*j z y-9u+0.0 MHz. What is th+duzf3cj1 ,b jmaq h*9b8evst1- (iy re 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 following choices best jd7n)qiljwem,/f 1ve,4p s b9represents the type of electromagnetic wave as4wmj ns9b,1/7ep) l,q fjdeivsociated 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 wb -(1s(ly nqkxave has an electric field given by the expression (in Cartesian (bql1-skxyn (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 an electric field given ,pj1hh)m +a.d: vtetj by the expression (in Cartesi)a,tvt pemjj.:h1 +hdan 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 magnet o,wf* 6lh0bmep.ice-ic field given by the expression (in Cartesian coordinates) * -mohw.beie p,l06cf$\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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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