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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 by5knh,k)ac,9nxay a9 k

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is causedq+nine0wu/ 6 y by

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen molecul6oow3i5nmsl6vgi- 3 qe is

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is caused blvup geolp6hxt.h8 - i, (/vyn+5lx-f y

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following is the4-d,vr/*z xtmwei9aypx il)x69raw 6iu0 dy / 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 wei 60xyot09iy in 06nfgakest 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 differengz for2 p69m.oce between adjacent ozr 6o2. 9pgmfenergy 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 quantu;t:* tix eq jf3-qwbm(m state has energy E. The same rotator in the L = 2 quantum state will have energ ;wt- xti*qj3q:(f bmey

Correct Answer:    
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Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, tt. ,x+rk;udpni .pba 7he energy of a diatomic harmonic 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 differenct5tigf 8 y/vn*e between adjacent quantum stnt*8iyt f /v5gates

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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum j 3;q2 k.7 -o;ib8z+lmzw)gln jboczh state, a diatomic quantum mechanical rotator has a rotational;w.)2g j qbzhkzo8jnz-m+ ocl ib; 73l energy of

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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibraku8 2ji q;dse5r :nsy)tor in its ground state has energy E. This same vibrator in its thir s 5r8 :uik)q2jne;sdyd state has energy

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is caust zdlu ase;:s5+7r wu1zde k,6ed by

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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest el 6kyo+lskm73ejz( wl.l+ekb l08a1 unergy band containing electrons is

Correct Answer:    
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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 cont8 1zkkz,fbx )c/nuo 5gaining electrons, called the valenc8 zukkox,g z/)cn5bf1e band, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is pi.f.ma9dj:.1g ).efcwwr nhmf,4h iy roduced by

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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is 11. plzdc9dd * h8f-eoet*le5* akbb iproduced by

Correct Answer:    
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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a *:v ba.4 q+ct4raxtm bhole 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, t-luu(n fw9uu z-chx 26he holes

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
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected to a diode with the positrz*smv(0e9 biz:wjj ; ive terminal to the p side and the negative terminal 0i(e*zjjmb;r :9zvw s 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 o,*z i /n hq+9k iylckye-z4kg(f three semiconductor sections consisting ofy n+,9iqcz( -4 lkei*/yzhgkk

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a mos z8n*/.xblyzkb)xq- m-s v-u ment 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 hasz:j 9pn-02vmntfg4v ,jry.fx $2.6 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 1 quantum state?

Correct Answer:    
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Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule hasqq 4vro* z+7, qqit(rm $18 \times 10^{-5} \; eV$ 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; t : sc6eyp8b4ng/un3zjc1 el molecule in the L = 2 quantum state. (The equilibrium sepac/4 njplcg 1 :3z;e8tuebysn6ration 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 qu ,celzva/x o.(7ic:bqit6 l9mantum state with a frequency of , 6 a:x7l z.t9covmclie(qib/$2.0 \times 10^{13} \; Hz$. 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 vale dww)nt g8r b-u9r s2l7z:z-mwnce and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorpti) rwd2bgun zl8tr -7: m-zws9won 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:
    当前第 题，此次Practice共有 27 道题

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