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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 caut) k*urn *dz2qsed by

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is causedzf (k6x -gd)zb 96eansni,gs/ by

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen molecule is uia/;yweceie,/t3abw d9l91 ,b.p wv

Correct Answer:    
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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is caused jsq*e lbu8m9 3sc;qb3by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following is the stro c7tz.iwx 0dojnm3k1e:mp; ;bngest bond?

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Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following isgip:2im (* // sitqzave (*xlz 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 e 9a im5;f;*4dswtjd ngnergy difference between adjacent enei nw dd9;g f*msatj5;4rgy levels

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Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical ch qn9d nhpljd ob;d-mx+m bt89n:8v :4pa:f- rotator in the L = 1 quantum state has energy E. The same rotator in the L = 2 quantum state will have vn: jf-8qt h84 c:;-9xm9 pnd and+b:mhpdlobenergy

Correct Answer:    
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Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the energy of a diatomic ha;2 5ayzh53m*tdnb mov rmonic oscillator is

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibrator, the ener4d8 e1epb* kzxgy difference between adjacent quantum statek 84p1b ed*ezxs

Correct Answer:    
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教师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
Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantumy 2) 3tnfwy502lye0fj prtyw3 state, a diatomic quantum mechanical rotator has a rotational energy2 f t3wy rpe5tw y2n)jyy003fl of

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its ground state has energy nnl e9g829u/wt1o m gyE. This same vibrator in its third stam /nogyl2t w81u9ne9g te has energy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is cab1k 03)qrbtnqnm poxhd6- 9p:used by

Correct Answer:    
Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest energy band containing elfozcratyelx; 1) 4 w92ectrons is

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Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the highest energy .b, +c3b dq0kll er8dmband containing electrons, called the vad+8c lbdklr qe.0 3bm,lence band, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductoma2*x n9xd*i wm 5p6 of4r-a;le2v ygir is produced by

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is producoqdb5z x;ls) l 9ys:.c7fmqw2 cdzx4)ed by

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a hole isd,) e:xllw (w 2*qyhlp)oxhe(

Correct Answer:    
Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied aq5s/mduo6ujdf, g85 tcross a p-type semiconductor, the holes

Correct Answer:    
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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 positi5a+i: ,kewyd eve terminal to the p side and the negative terminal to the n side,eea +yk5 wdi:, then diode is said to be

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transistor consists of threery3 yhgj a5n52juqq b26. p3hn semiconductor sections consisting2hj bq jyg2nh5qar36 p3n .uy5 of

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a momenf*qbu- /k k/e,3uvzf )ktku l0t 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:    
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Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule has pg-83q5sf0fu x kh0n 8npo7xy $2.6 \times 10^{-5} \; eV$ 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 has 7 ;k /7uxyikvk$18 \times 10^{-5} \; eV$ 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 ,r6oenfgq3 .rq+i9ye in the L = 2 quantum state. (The equilibriumn9refy + 6o.3rqeqi g, 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 vibrating in the v = 1 quantum state with a/dbs 9ro11r/+he qktz (omfj5 frequency of e5 b1( tq kzd/1hm rj/+ro9ofs$2.0 \times 10^{13} \; Hz$. 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 conduction bands in a certain semiconduct 6ymws0q)4inqnkz r8h t0q,k3or is 1.)84kyit hwn0zrsqq 6mkq n,3025 eV. What is the threshold wavelength for optical absorption in this substance?

Correct Answer:    
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    Total:27 mks Pass:16.2 mks Duration:Unlimited
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