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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 4 tebuti 1znhbuv 8e)2) )j;dsby

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
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is cau*w 4qka:c c* mkrcb ayf8z;:e.sed by

Correct Answer:    
Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen molecule ejh pmwbe3nq.8b51 e *is

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
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is caused c yu3.3)xodls by

Correct Answer:    
Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the followip7tm) ur/vkb. i9fbt0 ng is the strongest bond?

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the f00lab ). a*hwebyps-dollowing is the weakest bond?

Correct Answer:    
Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical rotator,f-t ykfkj78 c 7jcfs.) the energy difference between adjacent efc-jt 7 )sk7c.jykf8fnergy levels

Correct Answer:    
Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical rotator in the L = 1 quantum state has0 ji. m(wa-yy tgf+cw, energy E. The same g.ft aci,mw0(j+-y ywrotator 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 dia c:/,,0- b,ivgvs tnzfhdv ,aztomic harmonic oscillator is

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibraa3cc:ad6 6osr tor, the energy difference between adjacent quanarc 6asc63 od:tum states

Correct Answer:    
Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum stafm01c;bl bj2l4zw/k gte, a diatomic quantum mechanical rotator has a rotational energybkcjb01 mw/lz2l4f; g of

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its ground )b qv.* cpspan.pqhv00kzu ,8a.o- mqstate has energy E. This same vibrator in its thiz -)p8q,o0qk*cpusvpn0 h.m. ab .aqv rd state has energy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is c/s7qyn ,qhgk:tly 45m aused 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 elec0qmkuw,ho6w 6 0qg j*-zxs0 bd +sz-ccx8/vhbtrons 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, called theeqx3x 7w) zu *;yn v*,wkkl/ia valenlzv,*w / 3u qa)kwk; ixxy*e7nce band, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor ,gp g+6)4odnrb0i uq9fs9er dov,w (xis produced by

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is produ;:km u39r vafxh;3a)oef 0 hhx:t),tu mozvb6ced by

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semicondic-k3z9y(uo/ ( ywy,jiy mg* d awqy)4uctor, a hole is

Correct Answer:    
Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is ape++kmfh+;f . pcbcz)iplied across a p-type semiconductor, the holes

Correct Answer:    
Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected to a diode with the posi2.j e6de7igyv,f;bp m- bt2n4(cwqt ltive terminal to the p side and the negative tnj.l2t-,b7pd; e 4giqt2yw ( m efcvb6erminal to the n side, then diode is said to be

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transistt /wd/ 1ea3+ f5mcqbz7 s;ggb )vg7aqhor consists of three semiconductor sections consisting ot;+fqgh7am w/c7s5b3 d )ga/v 1zgqbe f

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscilla5 qyuj mf52m xg4a;,gttor 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 habulbi ,k*u/ac740v0m mqyt9pu, ph5o s $2.6 \times 10^{-5} \; eV$ 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 mya/r41hlny1 .-i hphhas $18 \times 10^{-5} \; eV$ 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 molecu( btqwavbp )ld5w 5l-*xp3t. yle in the L = 2 quantum state. (The equilibrium separation for th.bp) a-l *dtxbt(wv3 qw5ly5pe 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 viby 45tbjm9aje) a4vur0rating in the v = 1 quantum state with a frequency of umjt9)b e4 4aa0jr5yv$2.0 \times 10^{13} \; Hz$. 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 valencfy2 ,gh4 jtdx,+y*wwo 3wkj-u 9ydx-ee and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelen ,xk, gdjd *+-w92f 4uyjyewxyow-3ht gth for optical absorption 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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