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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 spee/ e:zjv 7mrx4fd v of the following three electromagvj7:4ex/r z mfnetic waves in vacuum? 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 following electromgz(-rp s*vxj0gs- e4 tl.n a47zn/a pbagnetic waves in terms of t- 4ne s-alaz.( 4v/n grzx7jpp*0sbg 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 wavex7otgo0wbn*) or/-zmlength of 400 nm. Which one of the following choices best describes this type ofw)g* -z obr x7/tnom0o 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 elfte 844xvyy;pv: hy 4lzd6aw 5*wkw6q ;zm-krectromagnetic radiation has the least energy per photohkza*evqpyd 4l4 m v8:ww6tz-xy5f4 r6w; ; ykn?

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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 hav mhfk0+f 7*p-ykl-bjs the greatest energy per pho b*m- jfv -hpfk7k0y+lton?

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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 typey*w2d8 bb-w ras of electromagnetic radiation has the largest magnitude of mom bwydwa r28*-bentum 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 wavetkyz +ou9i0)nvd6 i xzz14lg .s?

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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 agdof03 8 liaui)o at 1.31 MHz on the AM diai ia)ou f83ld0l. 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 one-fm3j pe6sx+ b 9lw)k;epbng2(nourth the wavelength of the broadcast wave. If a radio station has an antenna 4.5 meters long then what is the broadcast free 6nb9 w mxs)e+gp(j3n pb;lk2quency 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 100.0 nh8:maha- 1ox,)e l9rouqsq5 MHz. What isru, :)h8meol1q 9ns-oahxa5q the 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 rc5de* jlwl0c ;l7*xr vjfw7/ic6/w nmepresents the type of electromagnetic wave associated with a fr*v;cfwc7 il e *w5jjd/6lx/l cn7r mw0equency 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 w +r wof,9dl9k3vk-si7/fidmsave has an electric field given by the expression (in Cartesian coordinateswii/o f+s9-kdkl rf7,3vm 9ds):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 express ,sfqv 1p,z,tfion (in Cartesian coordizq f,v1,ftps,nates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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+ dj4 eib3c6cjc:ci /gl3w/ibsr.5r s magnetic field given by the expression (in c6 /33cg5eibi+rc s. rcj4bd :/lsjiw Cartesian 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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