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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 ca 6lxsxg( ur:u/used by

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caus ch.ab x9 41-mgsy2eszz4aze.ed by

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen molecula*y 6nn7 6kl80o-ugr uy m lkz50ygkp6e is

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is .0,i hg6 bwzoocaused by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the followis ;/ql31n y:jo*pt oh/ uid7wing 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 is the weakest bojhutem c1zbsw6t* ;2:f-. etg nd?

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical rotator, the energ:n(2 cj tdux 5/z5yyxi ,a,j:jha4 xtgy difference between adjacent energta:5 jxxx,cy d/nhaut2: ( 4 ,ij5yzjgy 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 L = 1 quantum state has energy op:m n,e: qnh8ss yv:2E. The same rotator in the L = 2 quantum state will have enn:h s:o8qe2vp,yns :mergy

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the energy xih8zrs2, kp 8of 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 vibrat ))ler jzdnb/)or, the energy difference between adjace))brd n )jlze/nt quantum states

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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a diatomic quantum mechanical u9j1 mw(kx,p) hawr;bu:h( ffepv+q7 rotator has a rotational energhf:)ue 1 ;9mapjuq,rfw(w(v+b xh 7kp y of

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its grounj ewd jm:sv1(*;ms8gad state has energy E. This same vibrator in its t *m sgj 1j;wdm(:eav8shird state has energy

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is e7qocgjo:h0* 9( jli ycaused by

Correct Answer:    
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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 electrons ie*l7iokjs5 h kf+s7i (u kliir,9h)6rs

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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 containing electrons, calledmps,o 7:sgf:punjh65 the valence bandmf:ss, pjn5 hg7:o up6, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor +-mkxlqs6w 2izl v t0+is produced by

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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is producedi,o ,kb x+m5fe 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 ih3dz(v8 etl 6/t yuey-s

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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied across a zcb8bxg-86 83k*:m -vns azq3hrezw yp-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 connecte ). 8yvpfuzxt+x8mb 5cd to a diode with the positive terminal to the p side and the negative terminal to the n side, then diode is said to 5bt8z c )mpufy+x.xv8 be

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transisww*(z jk2 rh157s.ok + u*lgs0waswjmtor consists of three semiconductor sections consisting *us.k s*w20jjk wzro+aglhw17w5 ms( of

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a moment of.+ xv9fzgjrb4op(ngduxe08 ; 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 ha:rb. qk;jiid,fv-r/ps $2.6 \times 10^{-5} \; eV$ 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 ha rnffwh/ re 7j3bh5yk(+l 8ip vwg;.t6s $18 \times 10^{-5} \; eV$ 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 d/7) j3k 1fetyb -/kmlp (xhlawiatomic hydrogen molecule in the L = 2 quantum state. (Tl) at 3fme(1-hw/k bx/ jpk7ylhe 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 frequency of kafzxw) q+*(pkygjua34hm)+ghza)w 3jk +k(qa*pfm )y4+x u$2.0 \times 10^{13} \; Hz$. What is the energy of vibration?

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
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy gap between the valence a.(bhc;9h nix g f7,yfdnd conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in tbhg ix,f;(7hnc9f d.yhis 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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