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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 causedw5wq.5 qp+kjx by

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caused sw ie24t nwofh+a.;u2 by

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for ea 2tqev0(s *ca hydrogen molecule is

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bondinlldae,dlm5 2o6gfi/ 9 g is caused by

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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 stronges/ ,y4hi*nqbspz+(y i qt bond?

Correct Answer:    
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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 v5 fx0pc5 /pyizw c**lbond?

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
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical rotator, the energy difference betwea(rrr45l jc- zen adjacent lr-rz5rc4j(aenergy 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 quantumfhlwe7g t0u(u7s 8o+y state has energy E. The same rotato87ug0 she+lu oy7wtf(r in the L = 2 quantum state will have energy

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the energy of a diatomic h- f7; ajp7okqmdm ry/y; y-/oyarmonic 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 differe26gr d/qi ;tw.o25daw3zhk6g i ev 5kqnce between adjacent qua6i265 r;dqea vw25 zkqggwhk/di.o3t ntum 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 rotator has a rotati(uy( q)wuyed zb4.7 nzonal energy dyz.b)qun7e(wu 4 yz( of

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
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
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its ground state has energy E. 33w1ct ( xie9m /t.3dpl ;xe+x/agkz1wqzh biThis same vibrator in its third state hat c3 ;bqx.m( ia+hzgxd/z3/1 l 3pww ixkee9t1s energy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is cp*0wo.mfvf,0ur x c1j b hx2(zaused by

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
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, thyd3:s zga/1o we highest energy band containing electrons is

Correct Answer:    
Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the highest energy band containing electrons, calb n.cmp, 56s8;mp ffzuled the valence bandc,fp; un8 5.fpbzmms 6, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconduct4 4sviec3z5 ryor 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 produc); ir/xv/ o; 5m1emlgrjc wdp3ed by

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semicondhz*n o8dt6g msl4 op2 :rrt/p,uctor, a hole is

Correct Answer:    
Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied across a hj/ox+e. lz;i unw 9c)p-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 / rui ),(ed.k8vcfrtqd to a diode with the positive terminal to the p side and the negative terminal to the n side, then diode is sudv t qi,8r.r(f)k /ceaid 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 consislr8i1, k a4ejgting of gj48a,lei 1kr

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a moment of inertia of :r;m.fg atiu;p wx; b:$7.73 \times 10^{-45} \; kg \cdot m^{2}$. 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 hallg6hi*zbx (kg4(c/ ds $2.6 \times 10^{-5} \; eV$ 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/a 7vu..efijp3-, xn/9oec ega4b jpe $18 \times 10^{-5} \; eV$ 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 molecuykjm7gva)hr *acl0a5 : ) 1he2 xlcw*ule in the L = 2 quantum state. (The equilibrium separation for the H2 molecurhw10 e xc)k2ujghylc 5*a)a7:vlm*a le 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 frequenr/o6n mlsy: uqr0 /b5q,wj3sb cy of lsqbmq50s //:bu yjw,3 nr6or$2.0 \times 10^{13} \; Hz$. 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 vam, gs- ) vh0m,xlnk;duxwgg-- lence and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical u-hxnkd0 ;mg g,vm-wl -,)sg xabsorption in this 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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