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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 fol bp;8.v,hy kitlowing three electromag8.y,btiv ; hpknetic 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 tholz8*nu 7a /p wa*j*cce following electromagnetic waves in terms of azcl7o8ca /n**jw *up 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 wavelength oft a2 x1bhur0.3ox t2qh 400 nm. Which one of the following b21rtq 0x ax3ht.u2 ohchoices 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 electromagn5glq0egr 2 qnr 4s *k0,gven2betic radiation has the least energy per photon?r0s0*g rnq,e gge22b q kv54ln

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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 tyvm; e(m6gke7xq d brr+u 20529pawnj)v iiwf3 pes of electromagnetic radiation has the greatest e6 nwvi;rxv3bq mr2)p 70k2d(eea+imgf w59 ju nergy 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 foluyh45 y dr*xr+thdoh0x9h- 9glowing types of electromagnetic radiation has the largest magnitude of-hx4urd9trh+5 ohh*90y xd gy momentum 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 32 o1v(+ o,wptekwjru/ .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 78iz5* ,nhxh63wgjepz3v1x*awvw* on1 years ago at 1.31 M wn3,**61 z3 jv xh5xavogwwhzne p1i*Hz on the AM dial. 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 epf7xg,z*fd ja5tm kr g2n9.k9qual to one-fourth the 9arkt,d.gfjk 2gmpzx* n7 f95wavelength of the broadcast wave. If a radio station has an antenna 4.5 meters long 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 broa abq6c 4zk)0stdcasts its signal at a frequency of 100.0 MHz. What is the wavelength of the zc6 skt)4bq0a 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 tz qgbe r 1b(aob//ju:* l)wk(rhe following choices best represents the type of electromagnetic wave associated with a freq ozeq1 kjalr(:)(/bg r/ub*wbuency 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 expresal .jlzb.agca8d 5) w0*ifmvac 4*;qesion (in Cartesian coord;w)a.d.i4*av aqmcblfgc z0 e8 laj*5inates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 give4z*(b6xt m m w7wssn:bo(,up r56whmqn by the expression (in Cartesian comzxws45t6u7 6r bwsnpmmq,o(w:( *bhordinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 1chx8rd2(8dsfbt( z)v t 4kmw the expression (in Cartesian coordinates) ddxmr 4fk8)1t8b2 hzcswv(t($\overrightarrow{B} = 6.0 \times\:10^{-6}cos(2.21\times\: 10^7z − 6.63\times\: 10^{15}t)\overrightarrow{x}$ . 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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