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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 follyvokhrpb 7 (o2o7- g)lowing three electromagnetic waves in vacuum? The waves are : X-rays, UV rays,l(vo-hg)k b y27pro o7 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 electromagneticc2 ;l tdxn4(rv 3uy(eaqqblw6jk;f 8: waves in terms of increasin6(bfxwr a2dj ly;;v3eu:qnc8(lqk t4g 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 th5izz+;ofs0y hfhz:kdr0 5 +kk rough vacuum with a wavelength of 400 nm. Which one of the following choices best dzrz00s; z h kok5:y+f5ik fh+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 ele4r :ftnmu c51rf+lwc/ctromagnetic radiation has the least ene1rft /crmnu5 +cwl4:f rgy 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 electromagnetic r(x,j,q)0j .ksvf2pp- ximpwa adiation has the greatest energy per m,0jk(sq)-, xpv. fw2 piaj xpphoton?

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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 followi6e7p.cmz+im +y 3 elwzng types of electromagnetic radiation has the largest magnitude of moment6.zc3m ilez pey+m7+w um 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 +xqvkj1/ll2 d xyto h9girn*,h97p d7broadcasts 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 years ago at i/byx4pn a 94r1.31 MHz on the AM dial. What is the approximate length of its radprx9 i na4b4/yio 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 jvz)0ln5gf d: one-fourth the wavelength of the broadcast wave. If a radio station has an antenna 4.5 meters ld0n)g:vz 5jflong then what is 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 itsm) xk,gwby6.ndxc y ix3,l(,z signal at a frequency of 100.0 MHz. What iscny 3,6m(,y xgx i d)z,x.klwb 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 reprey;iz qzyjo lsn+.- u7lr c719tsents the type of electromagnetic wave associated with a frequ nl+oiqcsy1rzu97lt;7.-j zyency 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 by the expression (in x7zon(ssc 8zw z8 3drm8xd8m(Cartesian coordinates)8 s sdzxc7 r3mw(xno(8z dmz88:
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 givehr05)zjk onsk; xi4,on by the expression (in Cartesian co ,o) i4kxz05;jhnkosrordinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 exprewuil vd(nd1 f2i*bv70bmd6 v7nan/f1ssion (in Cartesian6ffvvvwu *n2d1 i l0( 7bnbd7nma/di1 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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