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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, fpw*b38sj9n* qtu te by

Correct Answer:    
Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is causedh2d 8kl90 c p tqmllgxmp:75h9 by

Correct Answer:    
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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen moleculewe6 eq(t0y) j94itxn g is

Correct Answer:    
Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bondingqd4oc( atzz7v4 e w+i+ is caused by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of thh1py9bt yv k a+xlf793e following is the strongest bond?

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following is the weakxbeh ayu8v3x t1wq ,:(est bond?

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mecd 6w .jwr )z*6oxe4vbx; v-jrshanical rotator, the energy difference between adjacent energy levx ovj6jv )x d6w*4rs.z;bwr-eels

Correct Answer:    
Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical rotator in l 3f5rh bb l6kdqd7(8othe L = 1 quantum state has energy E. The same rotator iqb35 d (76rldblf8hk on 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 harmonic oscibn(z 1gh-9 j )4nrdb5xmh ycfz.jj6s5llator is

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibrator, thefpup2c .k e*q: energy difference between adjacent 2up:qpfkce *. quantum states

Correct Answer:    
Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a diatomic quantum mechanical rotator txj:z* 9gauf*skl+3 yhas a rotational energy o t ka*9xf*:syjgz+ ul3f

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its ground state has e;omdxgt 9co;d 8mw(kbu9ox1.nergy E. This same vibrator in its third statemoo;8x gctm.wx 9udb(9 o;k1d has energy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is causevbbuk . l.toa3 08-nm xx,)iuqd 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 contain 8cfh t1;-rwmming 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 conta(:daoio / i*wsining electrons, called the valence bao * d:sa/oii(wnd, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductzwsq;8h p+0yxhzj)4fzv6 ap 6 or is produced by

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is producedkl2/kh d 5ss+7v jev2y6b yevc p4oy36 by

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, ah;med wet8/7f1 lxt .d 2csr e;2czc(b 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 semiconykerhpv3db ; xr:x/19ductor, 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 po0f mi4oi/ okb7 az7lsyp/m: .vsitive terminal to the p side and the4v.o: koi7ia /0b z/fsly7m mp negative terminal 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 transistor consists of three semicf)d4p) hegog:, yraz3nqd3 q,onductor sections consisting o3gf 4nyqpqzedr3):,go ,d) ahf

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 o x ado/0-sgsgq2h: io9f $7.73 \times 10^{-45} \; kg \cdot m^{2}$. 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 has ihmtzh 0it5z/*cl9gk fu a7l(*w /q-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 hay-x ,chmon/hm pn4 68wol( pl+s $18 \times 10^{-5} \; eV$ 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 hyxitx+8v8 ;on fnv5 :eedrogen molecule in the L = 2 quantum state. (The equilibrium+it:nx on;58fx vee8v 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 quv;)8r3sovk;yi bu*e5zqfg7nantum state with a frequency of r)sbv;573fg;nikq e8y o vz*u$2.0 \times 10^{13} \; Hz$. What is the energy of vibration?

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy gap betwe*(zrwsr- -1 7viy r7peiby2 xqen the valence and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in t*7 v7 qz(r1pewyyi rr2-sb ix-his 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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