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PRACTICE：Physics Unit29: Molecules and Solids
本Practice来源于https://webassign.org，是在线Practice的打印版，您也可以访问本平台网站(https://webassign.org/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 328 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://webassign.org/test328.html
 Author: physics  Publish Date: 2023-05-01 14:26    Total Marks: 27 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 23年05月01日 13:55  Switch to Whole-Paper Mode

Mark Problem
1#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Covalent bonding is caus8efn-b95oi s)tkybm.ojf 87s;f ts/ yed by

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caused b6ct5lh08u -m jnh+elwy

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogp:gu l6gkp x2npz 526 fpzf,:gen molecule is

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is c6wwb 36at:dvcp;ifx) )elzj32c*s cd aused by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the folhljdq e5ae37:ciy0 a0lowing is the strongest bond?

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Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following iwfa t k.(dz1efz/-xjfs., 2gfs the weakest bond?

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical rotator, the energy diff :cwwqc*cfqcl d01r, )erence between adjacentcwqwc,:0*l d )cfc1rq energy levels

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Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical rotator in the 9/xg j uy8 go7- kqi 5bvp:,tq-nf5witao8)ctL = 1 quantum state has energy E. The same rotator in theg8y 9k)c /, a7wtg:5ftiqv5xnj bo-p 8iuo qt- L = 2 quantum state will have energy

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Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, t wwled.t 5+y+hah(n 0vhe energy of a diatomic harmonic oscillator is

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Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibrator, the energy difference between adjac mlga/sru-*0eg.+o v jent quantum lmvguj r eo*a.g/0 -+sstates

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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum st 7sf gm,c;dz1vate, a diatomic quantum mechanical rotator has a rotational energy 7s,c1vd;g mfzof

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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical y u p9of(1md,yvibrator in its ground state has energy E. This same vibrator in its third state has energy,9df(o1 myyu p

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is cabeg 93 0nrqsd ;4qufk1used by

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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the high 4*cgoq rry)t7est energy band containing electrons is

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Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the vk cp ;cz.k+)nyt o++yhighest energy band containing electrons, called the valence band,.p++cykykz+; v nc)to is

Correct Answer:    
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Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is produced b,ye31zjo q) lby

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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is prod . 1eda9jagqd(uced by

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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a hole i dz0ducs*bt-,s

Correct Answer:    
本Practice全部题目来源于https://webassign.org，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied across a p-cv2ts(vt,3ki lyf0v( type semiconductor, the holes

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Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected to a diode with the positive te -zq ge,/p*fa5rw*qk k7xmhq: rminal to the p side and the negative terminal to the n side, then diode is said ta:k qq w5ke* -rx7*pzgqm,f/ho be

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transistor consists of three semiconductor7z zta5zvb-lzb8w s*/*n(u ma sections consisting /mz*b5 vbsa za7tl(nu-*8 wzz of

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a mom 8 -1l o*q.1wythwx.vvydd6pw ent of inertia of $7.73 \times 10^{-45} \; kg \cdot m^{2}$. What is the rotational energy in the quantum state characterized by L = 2?

Correct Answer:    
Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule has5bk7v1w6dwek $2.6 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 1 quantum state?

Correct Answer:    
Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule hasj8 rvs.9 gz rz:yy20:6uqcgpx $18 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 0 quantum state?

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Estimate the rotational energy (in eV) for a diatomic hydrogen molecule in thebylfw9.i6mc -ocu8t o5d2 tt- L = 2 quantum state. (The equilibriu l.owt6ioc--5 buctt2ydm 8f9m separation for the H2 molecule is 0.075 nm.)

Correct Answer:    
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Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule is vp7 u7k.gghu 1l f08:igdi 2souibrating in the v = 1 quantum state with a frequency of 1hi 7 0foliu .ggu7:kud 8spg2$2.0 \times 10^{13} \; Hz$. What is the energy of vibration?

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy gap between the valence and c;08m gog* hpbvonduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in this;* 0o8pg vhbgm substance?

Correct Answer:    
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    Total:27 mks Pass:16.2 mks Duration:Unlimited
    未答题: 已答题:0 答错题:
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