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: 游客未登录  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 relationship for the speed xdx3yi yijy5u4)nf 0)v of the following three electromagnetic wa04ydx j )3)xui5 iyyfnves in vacuum? The waves are : X-rays, UV rays, microwaves.

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, ran9xrq/o r1 ni8mnj( n9,f xpc2ck the following electromagnetic waves in terms of increasing mn /rcn rp, qfoc1x(9n98 j2ixwavelength

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 radiation travels through vacuum with a wavelb6 flto,o6hi6 a ;txxz:if05 eength of 400 nm. Which one of the following choices best descr6zfli a f65:xho6x ;toi0,bteibes 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 electromagnetic radiation hm0en06*r0q j-02 nvhk9 u m/qqo abmazas the least en90j0-aq2 0h zev6* qnqrmkm0 nomuab/ergy 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 electromagnetiqbi*casa - /u7gj06akc radiation has the greatesj*as76iqcg/a buak-0 t 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 ele,ed qvg, oqi 06vkr*6cctromagnetic radiation has the largest magnitude of momentvvkq od6r*iq g ,6c0,eum 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 broadcasts with 39* hk 6:iwmuil.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 radio station KFKA star8p39;mvejk o(7rg)(g xa kshyo( sv 2cted broadcasting 78 years ago at 1.31 MHz on the 3(hokxs vya7ge(cpvr);k som(29g8j AM dial. What is the approximate length of its 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 ek. nx2cz*meb-qual to one-fourth the wavelengtkc2x -emn.*b zh 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?

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 iyv6h4uuba17b d9,iz5kd 6sxz s ux;o+ts signal at a frequency of 100.0 MHz. What is t+7 x6u, hv sdz9u; y651sbdz ix4aubkohe wavelength of the 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 choices bestsr7a arv.;e8tml9)e w represents the type of electromagnetic wave associated with a frequencar7ls ;r.ve8 9 emtw)ay 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 wave has an electric field given by eghs+zojs1z3t6b,2l- q e / qrthe expression (in Cartesian o 2s ersb-zl qz1e3jqt+6g,/h coordinates):
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 electri0jas 5rdtb+n8vixt.; c field given by the expression (in Cartesian coordinates):5dns; 0+ab xittv8.rj
$\overrightarrow{E}(x,t)\:=\:6.0cos(1.14\times\:10^7x-3.34\times\:10^{15}t)\overrightarrow{z}$
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 electromagnetic wave has a v/0x g3* h2omtlu+om)f-ksl o magnetic field given by the expression (in Cartesian2 sm0m*/3l +gxol fht-uvo )ok 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
本平台(https://autoconfig.tiku.one/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
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|手机版首页|使用帮助|题库网 (https://tiku.one)

GMT+8, 2025-12-10 11:56 , Processed in 0.210877 second(s), 50 queries , Redis On.