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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 caused khy76:f9hlje by

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is causeqowl 8;3tv h-0i4pbgc v2ekm)d by

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen moty)t 7i9q4 xmx:-4 ikso97u:sxxfvsulecule is

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding i yt58hks/v v15rcr84cwkp8n z s caused by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of thexwu/gfyp:/9 4 zd;hwu following 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 b 2j.h fea ras:9;cb;vthe following is 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 difference between np/c8kje23ly adjacen n23e8 k/cpyljt energy levels

Correct Answer:    
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Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical rotator in the L = 1 quantuf f.wivmj;6f) m state has energy E. The same rota.f6jfvif )w;m tor in the 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 stateuue4u1f sjfa:k0c(v -, the energy of a diatomic harmonic oscillator is

Correct Answer:    
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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 betp2tsdiaww50fpr2wn n)rtms ( q.u+ 1 ,ween adjacent quwqwt 0(pat,mni2.d5fr2) s+wnr1 s u pantum states

Correct Answer:    
Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a diatomic quantum mechanical rotator ml4-s 5-zapei has a rotation5zem-p al 4si-al energy of

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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its groua. m *actx-+2. qhcdbind state has energy E. This same vib*d..xcm2 ah a ibqct+-rator in its third state has energy

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is caus6qgnb 3tlj(q1 ed by

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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest energy band containing ebi ohq:-6,m2li 1w1kym43cn8dtxmol lectrons 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 band contaiqsj) ; /znlx 3p5bij9dning electrons, called the valencnsqixjl;539bz ) /jpde band, 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 produtz q eo0-d6i m64r /iqjoi/b3kced by

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is produced /6f.s*s dhdjf h45grj by

Correct Answer:    
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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductorg 6qwstk38jw92u3q rr, a hole is

Correct Answer:    
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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied acroqb/j s(4vi7uxss a p-type semiconductor, the holes

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
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected to a dio4ljqu-w/ws*dtk4ejif ah 98 ,cz *yl/ de with the positive terminal to the p side and the negative terminal to the n side, then diode/yqwi-a44 jslf w zt*lh/8* c,ejdk9u 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 three semiconductor sections consi *v:rp2--5tiqqgm6 fw l6diapsting oi66-gdvma2 qt*pf i:5- p wqlrf

Correct Answer:    
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Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator ) ll ;1ox. 8+r sdaw+1qgk .yxqwlkyz;has a moment 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 **c4 dtl4/0nmlk,cwq j w2kth has $2.6 \times 10^{-5} \; eV$ 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 -;nofdr f3)p *,dow cu$18 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 0 quantum state?

Correct Answer:    
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Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Estimate the rotational energy (in eV) for a diatomic hl6(ou j+ qpxram g+g))yt4* nkydrogen molecule in the L = 2 quantum state. (Thag n))olx kgmpj+6ytqr*+u 4(e equilibrium separation for the H2 molecule is 0.075 nm.)

Correct Answer:    
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 fk:lu i i)-ozc rhepx*is;ub0 ;z4k(0w) -xfmrrequency of *;kl( 0uu- ws irxokm:xbzr- pei zfhi));c04$2.0 \times 10^{13} \; Hz$. What is the energy of vibration?

Correct Answer:    
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Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy gap between the valence and conduction bands in a certa;31ebnfkijou m ;- olny8u:p -11bt iain semiconductor is 1.25 eV. What is the threshold wavelength for opticaljuab8o 1ifkbnto1im;-l- ;y np1 : 3eu absorption in this substance?

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