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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 relationshfg1oy,4h jyi( q(c; lxip for the speed v of the following three electromagnetic waves in vacuum? The waves are : X-rays, UV rays, yof;i j14lycg(h(x q,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 specxfr, sz (rapxpa0e366trum, rank the following electromagnetic waves in ter03pz p axeas66(xr f,rms 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 througwzqp nin.) c+ gmz*(sq)ph*;ah vacuum with a wavelength of 400 nm. Which one of the following choices bestqsc gmiq zh) ;)wp+pn *.za*n( 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 radiation ha8 ov4orz+6vbuw: +xzhs the least energy p4zb8vz :u+x 6wvr+ooh 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 electromagnetic radiation has the grhfm kgqq 1fg80j- +x*prja9;yeatest energy pe g rj1 q*fpk8;9hgf aj+y0xmq-r 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 kc4hu0(7k5qzqpr 4wp following types of electromagnetic radiation has the largest magnitude of pu zr kqhqc04 4wp7k(5momentum 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 wadwr*ewq-7g c 99bqvz96 1q wlzves?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.25: Pioneering radiosm3tfea0.nxlrl0 4o, station KFKA started broadcasting 78 years ago at 1.31 MHz on the AM dial. Whatl4es a,lm03r to.n0 xf 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 2njq,nvlp5wv z1q(u: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 the broadcast fre,n(2u qw:nvlzq 1v j5pquency 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 MHz. Wh/* 0wdfv a)d3kv pu-327cfk n b4ksjuhat is the wavelength of the stak kf*d3 f32bd7/ nu-v)sk0pw4cvhjaution’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 thezj 7imm 9**vvg following choices best represents the type of electromagnetic wave associated with a fmz7*mjg iv *v9requency 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 given byihp +mpzeg(-( jfxrk;lt i2c71z03izu/i7g u the expression (in Cartesian cik u7i -i il/ge(xtc g023(jp;+1uzm7z zfhpr oordinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 gklqn m94 wv4 k0rcz69yiven by the expression (in Cartesian4w9m 09lzcvy6r kn4kq 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 expr 0nk) etjr0djo:,txf7di/o :c*xx1y qession (in Cax7,xo:rkqy o )i0nj/tdfc 0ed*x:jt 1rtesian 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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