题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:Wave-EM Wave



 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

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.19: Which is the correct r +eup:o6 qn0rovc27 ogelationship for the speed v of the following three electromagnetic waves in vacuum? The waves are : X-rays, UV rays, microw+ o0o org6c7u n2vpeq:aves.

参考答案:    

标记此题
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 fol a*jsj4p8a.rk lowing electromagnetic waves in t8a4j*k. rapjserms of increasing wavelength

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.06: Electromagnetic g.m6udqe -1levvus gqc+y+: )98 giowradiation travels through vacuum with a wavelength of 400 nm. Which one of the following choices wyqqe gsgv+9mc ) 6lo.uv de-i+8:g1 ubest describes this type of radiation?

参考答案:    

标记此题
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 e: uot h6,(v3mgdo6vz plectromagnetic radiation has the least energdhvz36, p o6gt:o(vm uy per photon?

参考答案:    

标记此题
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 gy his:18wrrrfjag z+0vvc(0,gw8 o6 electromagnetic radiation has the greatests:f6a rw g01g+8iyzc,v(rvj80ghowr energy per photon?

参考答案:    

标记此题
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 radiation has the largepr mm:sd25a h, y2 l(gyzn7ew+st magnitude of gy2md,(l52ewn my hp7s:rza+ momentum per photon?

参考答案:    

标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.04: Which station broadc cl;rbq2*o gnmpa1- abv d.44fasts with 3.27 m radio waves?

参考答案:    

标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.25: Pioneering radio8u)7 q hegpxw- station KFKA started broadcasting 78 years ago at 1.31 MHz on the AM dial. What is the approximate length of itxw8 p eq-ghu7)s radio waves?

参考答案:    

标记此题
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-fwc.1l:)oh-/ iqya6pmru d4d wourth the wavelength of the broadcast wave. If a radio station has an antenna 4.5 meters long then what is the broadcad) aq1my/ r4pic :u.-w hdo6lwst frequency of the radio station?

参考答案:    

标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.15: A radio station broadcasts its s95 :d,am0tsh7efju l zignal at a frequency of 100.0 MHz. What is the wavelength of thezas 7 hf mltjue,05d9: station’s signal?

参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.16: Which one of the following choices8u twr2si ) )rwhet06c best represents the type of electromagnetic wave associated withu 8 srr)wcie0)6twt2h a frequency of $10^{18}Hz$?

参考答案:    

标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An electromagnetic wave78-4rwyl; jolef n 8qz has an electric field given by the expression (in Cartesian l j4nzwoy8-8;f leq 7rcoordinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
09.48: What is the direction of the energy flow for the wave?

参考答案:    

标记此题
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 Cara;+xarj)bi rpe 6n 7u(a jm6lf 9lvs6*tesian coordinates)u;6ma j)exr alpb ra7v69 +6n(iflsj*:
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
09.49: What is the direction of the magnetic field at time t=0 and position x=0?

参考答案:    

标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.48: An electromagq - )+b5 ye5n;x( ss9exlctqtdnetic wave has a magnetic field given by the expression (in Cq;bdlyex9ns s+)-q x5 5(et ctartesian 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?

参考答案:    

  • :
  • 总分:14分 及格:8.4分 时间:不限时
    未答题: 已答题:0 答错题:
    当前第 题,此次习题练习共有 14 道题
    本系统支持习题练习,作业与考试三大模式,作业考试自动评分,成绩排序一键导出,可设定动态变量同一试卷千人千题
    如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

    浏览记录|使用帮助|手机版|切到手机版|题库网 (https://tiku.one)

    GMT+8, 2025-5-19 13:52 , Processed in 0.125182 second(s), 50 queries , Redis On.