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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 vlyl 2se(s*1* lpsfc1 caused by

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caused byx- h3yx r5wfk3

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogu 9,vo f)ivck.en molecule is

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is j 7c9:*j oxjr/g zlmzdwb84 m-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 strotl7/( )ek ntb;sq-kh z1l bgl8ngest bond?

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Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the follyp m i q)qo8kxz9:k0cqy ,jl54owing 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 differene09hq2olz z6jce between adjacent energy le6h9zzqo0ej 2l vels

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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 Eno6p*u.dlp6o;kk pm0dhvd ab5o v,56. The same rotator in the L = 2 quantum stadvd *.,po6upd; vak066omb5nh l5pko te will have energy

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Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the energy of a diatomic harmonip,r1h, l9bcrwns4r scsu64g 8c oscillator is

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibrator, the energy diffvpen xbdzzp;zim -453(y sb( .erence between adjacent quan 3emd.( svzpzb5y-z xn; pb4(itum 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 mechanm ;5n- kbv4himical rotator has a rotationanmkhbiv -m4; 5l energy of

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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum m33 b)-9brr.j 1qo rr9:muj lmzegt (qhechanical vibrator in its ground state has energy E. This same vibra er rthbgm :3jq rrqb3)1(o u-jzl99.mtor in its third state has energy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is cause9,p vum e+ih+xd by

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
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest energy band containing elv/- 1w iv6cv9b z0r xh4qeyu xn4o0uj3ectrons 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 containing exqjqli2+a4/ qo0gs2v3qj 3vq lectrons, called the valence 3j q 2o3qvq +jlgvqi0 asx4/2qband, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is produced bfy1oq.*i uc d1y

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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor i3me: 9anh/7hyclpo77t oze7r s produced by

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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a 4koofg c 8ks64ic)wn. hole is

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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied across a p-type semiconductor, the 4evsp tx x+ yar56c5a8holes

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Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected to a diode witja -+xwka-* s- :oshdeh the positive terminal to the p side and the negative terminal to the n-j-e* :w hssdaxk+ao- 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 sections consisting7)9mp- jrk yah -ma 79)kyrhjp of

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a momenamzf:f :s9 5aw u9nqf,t 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 p sf 9jarh.76 gr ,ho9:i1xyvchas $2.6 \times 10^{-5} \; eV$ 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 hase9/f)9tx f 2gb9qp;jcyrhz1 l $18 \times 10^{-5} \; eV$ 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 hy,zxeb.9m5y. v uk7 irydrogen molecule in the L = 2 quantum state. (The equilib9 uyvrxk. y5ziem.b,7rium 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 i znef;fnvbk/ge3w o-,c m(6b2s vibrating in the v = 1 quantum state with a frequency of 3bmk -e6cv2/oz;,wnfgf(nb e$2.0 \times 10^{13} \; Hz$. 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 conduction bands in a certa7b wg6*hwcux spk)t (y- 2at;/l0duihin semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in this txh p/7 guy6-)c(hk0t; wli*aubs 2wd 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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