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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 m lh*s0wmb)gx56d;r fspeed v of the following three electromagnetic waves in vacuum? The waves are : X-rays, UV rays, m hsgw5mfl)*r60 md; bxicrowaves.

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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 f,k-me m gz +u amaolb1;mj,):lollowing electromagnetic waves injz-u1m ,bl gme+am m;a,okl): 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 radiation travels through vacuum with a waveleng.nm*ir- wm - a/ihn,8dqx:bfnth of 400 nm. Which on -i*qn-w i.x8dmb/a, fhnm :rne 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 following types of electromagnetic f6(/rk0eczgc radiation has the least energygk(ec/ cr0 6fz 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 followingf ,ttqtukwa:z d67 211:uxvu7dr) gpq types of electromagnetic radiation has the greatest energy per pxtvpu:q2k 6wadt, zu7gr:1 dq)1 7tuf hoton?

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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 radiaqo6:)q+xii zction has the largest magnitude of momentum per photonq +c x)ii6zqo:?

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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 wa ahzp,9fjf 5v9ves?

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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 ss:aiwi/j g9xq:i1ia 4lo+lzna(l 6/utarted broadcasting 78 years ago at 1.31 MHz on the AM dial. What a :aazql siijlw+lx64u1g i (/io9/n: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 transs1 v80yi+dttn mitting 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 br nyd+v8st1it 0oadcast 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 azafai4 c v:t-3og; p:100.0 MHz. What is the wavelength of the stag -af ;z::4viatoc pa3tion’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 r c odp63q ++ecod)8.8drtmv1i dm o/jdt3cx7yepresents the type of electromagnetic wave associated wit.+ 8ptmo vd3i+3 86 )c7o/y ocrcqdmxteddj1dh 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 elec fr84 zxfkbj8-tric field given by the expression (in Cartesian coorf8fk8bxrjz4 -dinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 Car/k etys6pse4tp.9 h;i tesiap/ ptis ;e y9h46s.etkn 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 given by the exprib+,kxlg)qo+ 8jpgq* ession (in Cartesia*x++qg kg jbp)oiq8 ,ln 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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