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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 b); v ivvjb7j bglxzzsyk 6z:q 8:9*l0ty

Correct Answer:    
Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caused wp n :cds cs 78mfa+na)w;eknr+ seib7:, :-ycby

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hr n,/)zn k)0r1veby htydrogen molecule is

Correct Answer:    
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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is c61nr,l+wvj roaused by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the followincb+omu9 3 )-ye- fwzh:x0kqg kg 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 bodkv rkl: kssuz-dt784ai- 1(j 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 energy dif h6itdbc+iicb0xp 0-0 ference between adjacent energ 0b 0pxbhi+6dt-icc 0iy 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 st g0w0v9wv le-mate has energy E. The same rotator in the L = 2 quantum stat-l9 wgvw 0emv0e 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 harmonic oc jec+v y4q9jsq6pcb-2e*( rvtpy5w 2scillator is

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibratorqqnx/3iqzw1v0a 5*.0voa8am dk zb /o, the energy difference between adjacent quant zank q3/0q1bv/di oa. mv0wa5x*o8qzum states

Correct Answer:    
Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a dia abm2nw6 c ).9ilw(aphtomic quantum mechanical rotator has a rotational energn acb.h(6am9p w)wl2i y of

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in agpdo e;3/lq-fik 802fa ejs: its ground state has energy E. This same vibrator in its third stalqa:jsi;f-/ kd p3aeef 2g80o te has energy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is )-e erje(m jd2caused by

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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest entxhk1czs7 5glfi;6rqv ,8on . wrdm02 ergy 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 elesfgbyf8 *1 ka,(f5do pctrons, called the valence band, 5*(1p8ksfg yf,dbo f ais

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconducto.7 5dh 6r/jr gz9deeckr is produced by

Correct Answer:    
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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is produced bpwc;3 cwg;f6k9t.wx ky

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
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, dc1509jla hiv 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 p-type semiconductor, thw 3y,evqm-9fznk:o :re 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 positive terminal to then9i90ip;z+ h6wxz zu 9rf8msa p side and the negative terminal to the nxu9i f+ 9 zw ;09nasimzzhrp68 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 transistor consists of three semiconductor s+t0;e vlq i ,+.lleehwections consisting tvwih lll0.+q;ee, e+of

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum m5ti5mewx,/,j1m eqw b echanical oscillator 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 hasg ftpcld:j v:,4+ kv,k $2.6 \times 10^{-5} \; eV$ 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 hayb/k-ha cy )4as $18 \times 10^{-5} \; eV$ 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 hydrogeng+ ddp d:s26rfj *)a/ny6jjen:o.bqs molecule in the L = 2 quantum state. (The equilibrium separation for the H2 molecule is 0.075 nm.)rj .jaesg)oy:6nd p2s b* df/+nqd: 6j

Correct Answer:    
Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule is vibratcxfoz5)ms *1i4 c nc(26sid qning in the v = 1 quantum state with a frequency of ii (zqs)of5dc mn2 c46xs* c1n$2.0 \times 10^{13} \; Hz$. 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 con: qt(d8f- slegduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in this subsldeqt:g (sf8 -tance?

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